WHAT'S INSIDE: BODY SYSTEMS

Your body is pretty amazing. At any given point you have many biological processes going on -- circulatory, digestive, brain & central nervous systems and more. Learn about these body systems as well as the eye, ears, nose and throat.
  • Brain & Central Nervous System
  • Circulatory System
  • Digestive System
  • Endocrine System
  • Eye, Ear, Nose & Throat
  • Immune System
  • Kidney & Urinary Tract
  • Lymphatic System
  • Musculoskeletal System
  • Respiratory System

FEATURED: BODY SYSTEMS

How much do you know about the human body?

FPO

When bedtime comes far too early, a child may be tempted to read under their covers by flashlight. Parents say the habit will ruin your eyes -- but is this old admonition true or false?

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What if I ate the silica packets marked "do not eat"?

Silica packets most likely contain silica gel or some other desiccant -- something that absorbs (collects) and holds water vapor. What would happen if you put that gel in your mouth?

The Endocrine System

The endocrine system comprises a number of glands that produce hormones with a varied array of vital functions. Hormones control or regulate the development or function of structures throughout the body.

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