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Skeletal
Overview
Types of Bones
Axial Skeleton
Appendicular Skeleton
Joints
Skeletal Pathologies
Glossary
Muscular
Overview
Muscle Tissue Types
Muscle Attachments & Actions
Muscle Contractions
Muscular Pathologies
Glossary
Circulatory
Functions of Blood
Heart
Blood Vessels
Circulation
Circulatory Pathologies
Glossary
Respiratory
Respiratory Functions
Upper Respiratory System
Lower Respiratory System
Respiratory Pathologies
Glossary
Digestive
Overview
Oral Cavity
Alimentary Canal
Accessory Organs
Absorption & Elimination
Digestive Pathologies
Glossary
Lymphatic
Lymphatic Structures
Immune System
Glossary
Urinary
Urinary System Structures
Kidneys
Urine Formation
Urine Storage & Elimination
Urinary Pathologies
Glossary
Reproductive
Female Reproductive System
Male Reproductive System
Reproductive Process
Glossary
Nervous
Overview
Neurons
Brain
5 Senses
Glossary
Endocrine
Endocrine Glands
Hormones
Glossary
Welcome to the Visible Body Learn Site
This Gland Is Your Gland: The Endocrine Glands and How They Work
The important roles of the hypothalamus and pituitary glands
The pineal gland and its relation to sleep
What do the thyroid and parathyroid glands do?
Adrenal hormones and the "fight-or-flight" response
Learn about the cell clusters in the pancreas that regulate blood sugar
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Hormones in Control: How the Endocrine System Regulates Body Functions
Target cells and hormone receptors
What is the hypophyseal portal system?
What do the anterior pituitary hormones do?
Learn about antidiuretic hormone and oxytocin
What happens during the "fight-or-flight" response and the “resistance phase”?
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