Remember the biology class you had in high school? Well, even if you do, lots of new knowledge about how the body works helps us to understand it now better than ever.

Body Basics is a collection of articles for parents that explain just how each body system, part, and process is necessary for living. Use this medical library to learn more about how the body works, what basic human anatomy is, and what happens when parts of the body don't function properly.

Blood
Bones, Muscles, and Joints
Brain and Nervous System
Digestive System
Endocrine System
Eyes
Female Reproductive System
Heart and Circulatory System
Immune System
Kidneys and Urinary Tract
Lungs and Respiratory System
Male Reproductive System
Metabolism
Mouth and Teeth
Skin, Hair, and Nails
Spleen and Lymphatic System

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Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor. © 1995-2021 KidsHealth®. All rights reserved. Images provided by The Nemours Foundation, iStock, Getty Images, Veer, Shutterstock, and Clipart.com.