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Achievement Center DSLCC: BIO 20 Human Biology

Chapter 1 Exploring Life and Science

1.1 Characteristics of Life

Lesson: How Life is Organized (4:40)
VIDEO describes the levels of organization of life. From davidbranka.
Article: How Ecosystems Work (3:24)
VIDEO clip discusses energy flow in an ecosystem. From greatpacificmedia.
Lesson: Homeostasis (2:26)
VIDEO lesson introduces homeostasis. From slackerbiz.
Lesson: Evolution in Two Minutes (2:00)
Brief but complete VIDEO synopsis of evolution. From DonExodus2.
~~Practice~~ Levels of Organization
Drag items to the proper place in the diagram. From McGraw Hill.

1.3 Science as a Process

Article: The Scientific Method (2:04)
VIDEO article piques interest in the scientific method. From Sciencefilms.
Music Video: The Scientific Method (2:43)
Music video lists the steps of the scientific method. From MarkRosengarten.
Article: The Scientific Method (9:54)
Detailed VIDEO about the scientific method. From potholer54.

Chapter 2 Chemistry of Life

2.1 From Atoms to Molecules

Animation: The Chemical Basis of Life
VIDEO lessons discuss the chemistry necessary for understanding biology. From NROC.
Lesson: Atomic Structure (6:16)
VIDEO lesson describes protons, neutrons, and electrons in an atom. From derekowens.
Lesson: Atomic Structure and the Nucleus (8:54)
VIDEO outlines the particles found in the nucleus, mass number, atomic number, nuclear charge and isotopes. From MarkRosengarten
Lesson: Uses of Radioactive Isotopes (3:44)
VIDEO lesson describes medical and non-medical uses of radioisotopes. From Mark Rosengarten.
~~Practice~~ Isotopes
Multiple choice questions about nuclear symbols and isotopes. From Quia.
~~Practice~~ Atomic Structure
Matching game about subatomic particles and their properties. From Quia.
Animation: Ionic and Covalent Bonding (1:57)
Animation distinguishes between ionic and covalent bonding. From kosasihiskandarsjah.
Demonstration: Examples of Ionic and Covalent Bonds (1:28)
VIDEO demonstration of the formation of NaCl and water. From kosasihiskandarsjah.
Animation: Covalent Bonding (0:35)
Animations shows single, double, and triple bonds. From ppornelubio.

2.2 Water and Living Things

Animation: Water and Life
VIDEO lessons describe properties of water in relation to the study of Biology. From NROC.
Video: Properties of Water (1:05)
VIDEO describes some of water's unusual properties. From kosasihiskandarsjah.
Animation: Hydrogen Bonding (1:40)
Animation of how hydrogen bonding occurs. From EtuSchule.
Animation: Acids in Water (0:58)
Animation of how acids behave in water. From mtchemers.
Lesson: Acids and Bases (6:07)
High school project covers the material well, but has a few minor errors. From epayne008.
Demonstration: Buffer System (2:39)
Demonstration of acetic acid buffered with sodium acetate. From kosasihiskandarsjah.
Animation: Blood Buffer (0:47)
Animation shows the reaction that keeps human blood buffered. From ppornelubio.

2.3 Molecules of Life (Contains a summary of 2.3-2.7)

Animation: Organic Molecules
Lessons start with organic chem then describe monosaccharides, fatty acids, amino acids, and nucleotides. From NROC.
Animation: Macromolecules
VIDEO lessons discuss polysaccharides, fats, and proteins. From NROC.

2.4 Carbohydrates

Animation: Carbohydrates (3:48)
VIDEO reviews covalent bonding and how carbon covalently bonds to form carbohydrate molecules. From EvolvedAtheist.
Animation: Carbohydrates (4:59)
VIDEO examines carbohydrates in more detail. Discusses mono, di, and polysaccharides. From greatpacificmedia.

2.5 Lipids

Animation: Lipids (4:53)
Shows the structure of fatty acids and triglycerides. Includes saturated, unsaturated, and trans, fats.
Animation: Phospholipids, Cholesterol, and Cell Membranes (1:53)
Discusses phosophlipids and how they combine with cholesterol as part of a cell membrane. From garlandscience.
Animation: Cholesterol and Lipoproteins (0:55)
Discusses how lipoproteins (HDL & LDL) transport cholesterol. From focusmedica.
Interview: Cholesterol Myths (9:50)
Animated interview with a physician explains common misconceptions regarding cholesterol, HDLs, and LDLs. From mercola.

2.6 Proteins

Lesson: Functions of Proteins (4:03)
Fun VIDEO lesson gives an overview of the types of proteins and their functions. From PandeScience.
Animation: Proteins (3:59)
Video builds proteins from amino acids and discusses importance of shape in determining function. From EvolvedAtheist.
Lesson: Amino Acids (9:55)
VIDEO lesson discusses the types and properties of amino acids. From mlcarrol.
Animation: Levels of Protein Organization (0:52)
VIDEO shows primary, secondary, tertiary, and quaternary structure of proteins. From Proneural.
Animation: GCSF folding (1:07)
Animation of the protein GCSF from the amino acid sequence to the folding. From RedAndr.

2.7 Nucleic Acids

Animation: DNA (3:24)
Animation shows the structure of DNA and describes its importance in biology. From EvolvedAtheist.
Animation: DNA, RNA and Protein Synthesis (7:47)
VIDEO discusses the roles of DNA and RNA in the formation of proteins. From Tristimulus99.
Animation: DNA (1:59)
Animation shows the nucleic acids that make DNA and the hydrogen bonds that hold the double helix together. From MrBiology1
Animation: Glycolysis (6:41)
Animation of glycolysis shows the role of enzymes, ATP, and ADP in glycolysis. From EvolvedAtheist.

Chapter 3 Cell Structure and Function

Animation: Cell Theory and the Basics of Cells
Discusses the discovery, history, and basics of cells. From NROC.
Animation: Inside and Outside of the Cell
Discusses cell organelles, internal cellular support, cell movement, and the extracellular matrix. From NROC.
Animation: Cell Membranes
Discusses the fluid mosaic model, transport mechanisms across the membrane, and membrane proteins. From NROC.
Illustrations: Organelles
These illustrations highlight the major orgenelles and their functions. From NIH.
~~Practice~~ Parts of the Cell
Drag the organelle name to its approprite place on the cell. From pearsoncmg.com.
~~Practice~~ Structure of the Plasma Membrane
Drag the label to the correct part of the plasma membrane. From pearsoncmg.com
~~Practice~~ Membrane Transport
Match the description of membrane transport process with the type of movement. From pearsoncmg.com.
~~Practice~~ Selective Permeability
Drag the substances that can enter cells by passive diffusion and active transport. Frompearsoncmg.com.

3.6 Mitochondria and Cellular Respiration

Animation: Enzymes and Metabolism
Discusses enzymes and kinetics. Skip section 4. From NROC.
Animation: Overview of Metabolism
Provides a summary of metabolism. Can skip section 4. From NROC.
Animation: Glycolysis
Detailed discussion of glycolysis. Watch sections 1 & 2 only. From NROC.
Animation: Citric Acid Cycle (TCA Cycle)
Detailed discussion of the Citric Acid Cycle. Watch section 1 for a good summary. From NROC.
Animation: Electron Transport Chain
Detailed discussion of the Electron Transport Chain. Watch section 1 and beginning of section 2 for a good summary. From NROC.

Chapter 4 Organization and Regulation of Body Systems

Animation: Animal Form and Function
Discusses the structure of animal tissues, organs and organs systems, and homeostasis. From NROC.

Chapter 5 & 6 The Circulatory System

Animation: The Circulatory System
Combines chapters 5 & 6. Moves from simple to complex circulatory systems; then the human circulatory system. From NROC.

Chapter 5 Heart and Blood Vessels

Animation: Arteries and Veins (0:49)
Animation shows the structure of arteries and veins. From dizzo95.
Animation: The Heart (0:57)
Animation shows blood flow through the chambers of the heart. From dizzo95.
Animation: The Cardiac Cycle (2:42)
Animation relates systole and diastole to blood pressure. From dizzo95.
Animation: ECG (1:41)
Animation relates an ECG to nerve impulses. From chcltd.

5.7 Cardiovascular Disorders

Animation: Cardiovascular Disease (6:08)
Animated overview of cardiovascular diseases. From 29Gerhard.
Discussion: Heart Disease (2:56)
Dr. Farkouh discusses angina, heart attacks, CHF, and aneurysms. From illumistream.
Animation: Hypertension (2:28)
Discussion of the causes and effects of hypertension. From bmedinago.
Discussion: Heart Attack (2:40)
Dr. Farkouh discusses the symptoms and mechanism of a heart attack. From From illumistream.
Discussion: Angina (3:11)
Dr. Farkouh discusses causes, symptoms, and treatment of angina. From illumistream.
Discussion: Stroke (1:03)
Dr. Kessler discusses the causes and effects of strokes. From illumistream.

Chapter 6 Blood

6.1 Overview of Blood

Animation: The Functions of Blood (0:59)
Animation discuses the major functions of blood. From dizzo95.
Animation: Composition of Blood (2:24)
Animation shows the major components of blood and discusses their functions. From americasbloodcenters.
Animation: The Lymphatic System and Blood
Discusses the relationship between the lymphatic system and blood. From NROC.

6.2 Red Blood Cells

Animation: Oxygen Transport (3:08)
Animation of how blood transports oxygen. From sheekshampoo.
Animation: Carbon Dioxide in Blood (0:56)
Animation focuses on the catalyzed reaction of carbon dioxide and water to carbonic acid. From mtxmomo.
Animation: Marrow Makes Red Blood Cells (0:22)
Short animation from dizzo95.
Interview: Anemia (3:58)
Interview with someone discussing symptoms and treatment of anemia. From HowdiniGuru.
Animation: Sickle Cell Anemia (0:39)
Short animation discusses the disease. From ASHWebmaster.
Animation: Sickle Cell Anemia (1:04)
Animation shows the the molecular change of sickle cells. From leaffan27.
Animation: Hemoblobin Breakdown
Shows how "worn out" hemoglobin is broken down. From McGraw Hill.

6.3 White Blood Cells

Animation: Leukocytes (1:16)
VIDEO shows how leukocytes enter tissues. From dnatubevideo.
Demonstration: Neutrophils (1:18)
Image and description of neutrophils. From FreeScienceLectures.
Lesson: Neutrophils (4:01)
Blood Cell Bakery VIDEO discusses form and function of neutrophils. From sciencegoddess1.
Lesson: Basophils (2:31)
Blood Cell Bakery VIDEO discusses form and function of basophils. From sciencegoddess1.
Lesson: Eosinophils (1:08)
Blood Cell Bakery VIDEO discusses form and function of eosinophils. From sciencegoddess1.
Lesson: Monocytes and Macrophages (2:32)
Blood Cell Bakery VIDEO discusses form and function of monocytes and macrophages. From sciencegoddess1.
Lesson: Lymphocytes (2:34)
Blood Cell Bakery VIDEO discusses form and function of lymphocytes. From sciencegoddess1.
Animation: T-Cells (1:21)
Animation of T-cells in action. From neurocirujo.

6.4 Platelets and Blood Clotting

Animation: Blood Clotting (2:01)
Animation of the blood clotting mechanism. From emedtv.
Animation: Hemostasis (4:49)
Animation goes into detail of how blood clots. From crvomy.
Animation: Wound Healing (7:50)
Animation related to blood clotting discusses how leukocytes contribute to wound healing. From crvomy.

6.5 Blood Typing and Transfusions

Animation: ABO Blood Groups (1:40)
Animation of the ABO blood types. From neurocirujo.
Lesson: Blood Groups (10:30)
Thorough VIDEO lesson discusses ABO groups from a genetic standpoint, then has a typing demonstration. From ADMCVideos.
Demonstration: Blood Typing (3:07)
A nurse demonstrates on herself how to type blood. From CSMDTube.
Animation: Rh Blood Groups (1:05)
Animation explains the Rh blood group and potential dangers for a fetus. From dizzo95.

Chapter 8 Digestive System and Nutrition

Animation: Human Digestive System (6:55)
Animation follows the route of food as it is digested. Focuses on the organs involved in digestion From rvps4ever.
Animation: Enzymes in Digestion (2:46)
Animation focuses on the enzymes and other chemicals involved in digestion. From enzymedica.
Animation: The Digestive System
Discusses vertebrate digestive systems then the human digestive system. Also how hormones regulate digestion. From NROC.
Animation: Diet and Feeding Mechanisms
Discusses various feeding mechanisms and how food provides energy. Also carbs, fats, proteins and essential nutrients. From NROC
Interview: Digestive Disorders (16:13)
Interview with Dr. Jean-Pierre Raufman discusses diseases and treatment of colon disorders. From UMMC.
Interview: Liver Disorders (10:31)
Interview with Dr. Jean-Pierre Raufman discusses diseases of the liver. From UMMC.
Article: How to Get Fat Without Really Trying (9:34)
Article from Peter Jennings discusses the obesity trend in America. From hereinthelightofday.

Chapter 9 The Respiratory System

Animation: The Respiratory System
Discusses types of respiratory systems before focusing on human respiratory system. Then gas exchange and transport. From NROC.

9.1 - 9.3 Anatomy of Respiration

Animation: The Respiratory System (1:46)
Animation with actual footage shows the anatomy involved in respiration. From phoenixfilmandvideo.
Animation: Anatomy of Respiration (1:43)
Animation shows the anatomy involved in breathing. Includes gas exchange. From dannishi.
Animation: Microanatomy of the Lungs (1:49)
Focuses on alveoli and gas exchange there. From dizzo95.

9.4 - 9.5 Breathing

Animation: Ventilation (0:32)
Short animation shows the process of ventilation and how pressure differences drive breathing. From geneedinc.
Animation: Mechanics of Breathing (0:45)
Short animation focuses on how pressure differences drive breathing. From neurocirujo.
Lesson: Spirometry (5:11)
Lesson discusses lung volumes and lung capacities. From freshwaterl.
Article: SIDS (2:35)
News story about SIDS. From parentsTV.

9.6 Gas Exchange

Animation: Gas Exchange (3:09)
Discusses the gas exchange that occurs in the lungs and capillaries. From sheekshampoo.
Animation: Carbon Dioxide Transport (0:56)
Focuses on how carbon dioxide is transported in the blood. From mtxmomo

9.7 Respiratory Disorders

Article: Sinusitis (5:23)
News article describes the cause, symptoms, and treatment of sinusitis. From ResurrectionHealth.
Article: Otitis Media (2:07)
VIDEO describes the cause, symptoms, and treatment of otitis media. From broberts924.
Article: Tonsillectomies and Sleep Disorders (4:04)
Article describes how tonsillectomies can treat sleep disordered breathing. From tonsilfacts.
Article: Laryngitis (3:12)
News article describes the cause, symptoms, and treatment of laryngitis. From livestrong.
Animation: Pneumonia (0:26)
Animation shows the cause and symptoms of pneumonia. From dizzo95.
Article: Tuberculosis (3:16)
Article discusses the causes, symptoms, and treatment of tuberculosis. From NHSChoices.
Article: Pulmonary Fibrosis (4:31)
Article discusses the causes, symptoms, and treatment of pulmonary fibrosis. From HealthScienceChannel.
Animation: Bronchitis (0:54)
Animation shows the anatomy and causes of bronchitis. From mindmartdotcom.
Animation: Emphysema (1:15)
Animation shows the anatomy and causes of emphysema. From chcltd.
Discussion: COPD (3:13)
Dr. Fink discusses the causes, symptoms, and treatment of COPD. From stantheman929.
Discussion: Asthma (3:11)
Dr. Fink discusses the causes, symptoms, and treatment of asthma. From illumistream.
Discussion: Lung Cancer (1:13)
Dr. Cathcart discusses the causes and development of lung cancers. From eHow.
Discussion: Lung Cancer Treatment (3:16)
Dr. Fink discusses current treatments for lung cancer. From eHow.
Discussion: Early Signs of Lung Cancer (1:48)
Dr. Fink discusses the symptoms of lung cancer. From eHow.

Chapter 10 Urinary System and Excretion

Osmoregulation and Excretion
Discusses water's role in osmoregulation. Then discusses various excretory systems before focusing on the mammalian kidney.NROC.
Animation: Urinary System (0:25)
Short animation shows the macroscopic anatomy of the urinary system. From stpbystp.
Lesson: The Kidney (3:39)
Dr. Fabian shows the major parts of the kidney. From lochness128.
Lesson: The Nephron (5:13)
Dr. Fabian gives a detailed explanation of the function of the nepron, focusing on the anatomy. From lochness128.
Animation: The Nephron (2:33)
Short summary of the function of the nephron focuses on the substances filtered. From Aliciahayashi.

10.5 Kidney Disorders

Article; Symptoms of Kidney Disease (5:36)
Humorous VIDEO article discusses the symptoms of kidney disease. From the Renal Support Network.
Interview: Kidney Disease (6:24)
Dr. Crawford discusses the causes and treatment of kidney disease. From thapeloinstitute.
Article: Hemodialysis (2:18)
VIDEO article shows how hemodialysis works. From bmedinago.

Chapter 11 The Skeletal System

Animation: Skeletons
Discusses hydrostatic skeletons, exoskeletons, and endoskeletons. From NROC.

11.1 Overview of the Skeletal System

Animation: Introduction to the Skeletal System (6:56)
Good overview of the skeletal system. FromHEATINCca.
Animation: Bone Anatomy and Structure (1:26)
Discusses the parts and function of bone. From EnCognitive.
Lesson: Dense Bone (6:11)
VIDEO shows the structure of dense bone. From WashingtonDeceit .
Lesson: Spongy Bone (4:07)
VIDEO shows the structure of spongy bone. From WashingtonDeceit .
Lesson: Bone Marrow (2:38)
VIDEO lesson shows the bone marrow and its parts. From WashingtonDeceit.
Animation: Cartilage (0:54)
Discusses the three types of cartilage. From dizzo95.
Lesson: Hyaline Cartilage (4:26)
VIDEO lesson discusses the types of cartilage then focuses on hyaline cartilage. From WashingtonDeceit
Lesson: Elastic Cartilage (1:59)
VIDEO describes structure and function of elastic cartilage. From WashingtonDeceit.
Lesson: Fibrocartilage (1:48)
VIDEO describes structure and function of fibrocartilage. From WashingtonDeceit.

11.2 Bone Repair, Growth, Remodeling, and Repair

Animation: Bone Growth (0:44)
VIDEO shows the formation of an osteon. From McGraw Hill.
Lesson: Endochondral Ossification (4:09)
VIDEO describes endochondral ossification. From WashingtonDeceit.
Animation: Bone Repair after a Fracture (1:12)
From EnCognitive.

11.3 Bones of the Axial Skeleton

Lesson: Bones of the Axial Skeleton (8:30)
VIDEO overview of the axial skeleton. From CiaraLovesNerds.
Animation: Skull Bones (2:51)
From cattosa3.
Animation: The Vertebral Column (1:17)
From eDewcate.

11.4 Bones of the Appendicular Skeleton

Lesson: Appendicular Skelton Overview (4:00)
VIDEO overview of the bones of the appendicular skeleton. From CiaraLovesNerds.

11.5 Articulations

Animation: Joints of the Skeleton (0:45)
Short introduction to joints. From dizzo95.
Lesson: Fibrous Joints (3:28)
VIDEO lesson explains the structure and properties of fibrous joints. From katbiocnm.
Animation: Cartilaginous Joints (0:39)
Shows the cartilaginous joints of the spine. From dizzo95.
Animation: Types of Synovial Joints (1:23)
Shows the location and movement of the various types of synovial joints. From geneedinc.

Chapter 12 The Muscular System

Animation: Muscle Structure and Contraction
Overview of chapter discusses skeletal muscles, skeletal muscle contraction, and other types of muscle. From NROC.

12.1 Overview of the Muscular System

Animation: Three Muscle Types (1:31)
Compares the three muscle types. From dizzo95.
Animation: Skeletal Muscles (1:09)
Overview of skeletal muscle function. From dizzo95.
Lesson: Muscles of the Arm (4:33)
VIDEO of the arm muscles and ways to remember them. From strawberryFUSION.

12.2-12.3 Muscle Contraction

Lesson: Gross Muscle Anatomy (2:09)
Overview of the anatomy of muscle cells. From stevenIgourley.
Animation: Muscle Contraction (1:14)
Animation shows the muscle fiber and how it contracts. From neurocirujo.
Animation: Muscle Contraction (~2:00)
Animation describes the chemistry that occurs during muscle contraction. From McGraw Hill.
Lesson: Muscle Contraction (3:37)
VIDEO focuses on the chemistry of muscle contraction. From stevenIgourley.
Animation: Neuromuscular Junction (1:25)
Shows how an impulse travels from the spinal cord to the muscle. From neurocirujo.
Animation: Action Potential (2:18)
Relates nerve impulses to muscle movement. From cavemanl29.
Demonstration: Muscle Contraction Upon Exposure to ATP (0:45)
VIDEO shows actual muscle fibers contracting when exposed to ATP. From RSCCBioProf.
Lesson: Fast-Twitch and Slow-Twitch Fibers (1:27)
VIDEO compares the two types of muscle fibers. From SoulSavior.

12.4 Muscular Disorders

Discussion: Fibromyalgia (6:34)
TV panel discussion about symptoms and treatment of fibromyalgia. From FMaware.
Animation: Duchenne Muscular Dystrophy (4:14)
BrainPOP animation discuss causes, symptoms and treatment of MD. From ParentProjectMD.

Chapter 13 The Nervous System

13.1 The Nervous System and Neurons

Animation: The Nervous System
Discusses how nervous systems are organized. Then discusses peripheral, central nervous systems, sensory reception. From NROC.
Animation: Neurons
Discusses the structure of neurons and how they communicate within the cell and between cells. From NROC.
Animation: Action Potential (2:46)
Shows how the action potential is conducted along an axon. From SpankingSnape.
Animation: Neuromuscular Junction (1:25)
Short animation of the neuromuscular junction. From neurocirujo.
Animation: Sodium-Potassium Exchange Pump (~2:00)
Short animation shows how the pump maintains a potential across the cell membrane. From McGraw Hill.
Animation: Sodium and Potassium Pumps and Depolarization (~2:00)
Animation shows how the Na and K pumps behave during depolarization. From McGraw Hill.
Animation: Action Potential Propagation (~2:00)
Shows the propagation of action potential in an unmylenated nerve cell. From McGraw Hill.
Animation: Chemical Synapse (~2:00)
Shows how signal transmission occurs at the synapse. From McGraw Hill.

13.2 The Central Nervous System

Lesson: The Anatomy of the Brain (1:36)
Shows the parts of the brain. From ultimatescience.
Lesson: The Anatomy of the Brain (4:13)
Discusses the parts of the brain and their functions. From eDewcate.
Article: The Hypothalamus (2:53)
VIDEO article describes how the hypothalamus responds to extreme hunger. From stutteringmedia.
Animation: The Cerebellum (1:36)
VIDEO shows the anatomy of the cerebellum. From dizzo95.
~~Practice~~ Parts of the Brain
Click on the correct part of the brain. From pearsoncmg.com.

13.3 The Limbic System

Demonstration: The Limbic System (1:28)
Short lesson about the parts and functions of the limbic system. From uyenle117.
Lesson: The Amygdala (1:25)
VIDEO describes how anxiety and the amygdala are related. From CharlesLinden.

13.4 The Peripheral Nervous System

Lesson: The Peripheral Nervous System (4:01)
VIDEO lesson from slackerbiz.
Demonstration: Peripheral Nervous System (2:51)
Demonstration using models of the nerve cell and some peripheral nerves. From mommyime.
Animation: The Reflex Arc (0:31)
Shows how reflex actions occur. From neurocirujo.

Chapter 14 Senses

14.1 Sensory Receptors and Sensations

Lesson: Types of Sensory Receptors (11:22)
VIDEO classifies the types of receptors. From bullharrier.

14.2 Proprioceptors and Cutaneous Receptors

Animation: Skin Receptors (2:05)
Shows the various receptors in the skin. Click on "narrated" for narrated animation. From sumanasinc.com.
~~Practice~~ Structure of the Skin
Drag terms to their correct place on the 3-d image of the skin. From pearsoncmg.com.

14.3 Senses of Taste and Smell

Animation: Tasting (2:00)
Describes the taste buds and where on the tongue certain tastes are sensed. From pennmedicine.org.
Animation: Smelling and Tasting (0:52)
Animation compares the two senses. From chichin85.
Article: Smelling (1:53)
VIDEO describes the chemistry of smelling. From sonefe67.

14.4 Sense of Vision

Animation: Vision (2:00)
Shows the parts of the eye, how vision occurs, and near/far-sightedness. From pennmedicine.org.
Animation: Visual Pathways (2:30)
Discusses the anatomy of the eye and the path of visual stimuli to the brain. From sumanasinc.com.
~~Practice~~ Anatomy of the Eye
Click on the correct part of the eye. From pearsoncmg.com.
~~Practice~~ Optics of the Eye
Compare near-sightedness and far-sightedness. From pearsoncmg.com.

14.5 Sense of Hearing

Animation: Effect of Sound Waves on Cochlear Structures (3:00)
Shows how sound waves interact with the cochlea. From McGraw Hill.
Animation: Hearing (2:00)
Shows the anatomy of the ear and how sound is propagated to the cochlea. From pennmedicine.org.
Animation: Hearing and the Cochlea (3:30)
Animation focuses on what happens in the cochlea. From pennmedicine.org.
~~Practice~~ Internal Structures of the Ear
Click on the correct part of the ear. From pearsoncmg.com.

Chapter 15 The Endocrine System

Animation: Hormones
Discusses the chemical nature of hormones and examine examples of how they initiate changes in an animal. From NROC.
Animation: The Endocrine System
Discusses the hypothalamus, pituitary, and thyroid glands; the pancreas; then the adrenal gands and gonads. From NROC.

Chapter 16 Animal Reproduction and Development

Animal Reproduction
Discusses types of fertilization, gamete production, reproductive anatomy, and reproductive hormones.
Animal Development
Outlines the process of development, then discusses embryonic development, and the control and steps of human development.