Did you ever wonder what all those complex body systems do? These Body Basics articles explain just how each body system, part, and process works. Use this medical library to find out about basic human anatomy, how it all functions, and what happens when things go wrong.

• Blood
• Bones, Muscles, and Joints
• Brain and Nervous System
• Digestive System
• Ears
• 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