Anatomy Summary Anatomy is the science that studies the structure of the body. On this page, you’ll find links to descriptions and pictures of the human body’s parts and organ systems from head to toe. Start Here Anatomy & Physiology National Cancer Institute Body Basics Nemours Foundation Introduction to the Human Body National Cancer Institute Visible Human Project National Library of Medicine Images Anatomy of the Eye National Eye Institute Appendicular Skeleton National Cancer Institute Axial Skeleton National Cancer Institute Brain National Cancer Institute Cell Structure National Cancer Institute Components of the Urinary System National Cancer Institute Diagram of the Eye National Eye Institute Female Reproductive System National Cancer Institute Larynx & Trachea National Cancer Institute Lymph Nodes National Cancer Institute Male Reproductive System National Cancer Institute Mouth National Cancer Institute Muscles of the Head and Neck National Cancer Institute Muscles of the Lower Extremity National Cancer Institute Muscles of the Trunk National Cancer Institute Muscles of the Upper Extremity National Cancer Institute Nose, Nasal Cavities & Paranasal Sinuses National Cancer Institute Pharynx National Cancer Institute Pineal and Pituitary Glands National Cancer Institute Regions of the Digestive System National Cancer Institute Small & Large Intestine National Cancer Institute Spleen National Cancer Institute Stomach National Cancer Institute Structure of the Heart National Cancer Institute Thymus National Cancer Institute Tonsils National Cancer Institute Urinary Bladder National Cancer Institute Specifics Anatomy of the Heart National Heart, Lung, and Blood Institute Brain Basics National Institute of Mental Health Classification & Structure of Blood Vessels National Cancer Institute Components of the Lymphatic System National Cancer Institute Endocrine System (For Parents) Nemours Foundation Hand Anatomy American Society for Surgery of the Hand How the Heart Works National Heart, Lung, and Blood Institute Immune System National Institute of Allergy and Infectious Diseases Kidneys and How They Work National Institute of Diabetes and Digestive and Kidney Diseases Layers of the Skin National Cancer Institute Mouth and Teeth (For Parents) Nemours Foundation Nasal Anatomy American Rhinologic Society Respiratory System National Heart, Lung, and Blood Institute Skin, Hair, and Nails Nemours Foundation Urinary Tract and How It Works National Institute of Diabetes and Digestive and Kidney Diseases What Are the Lungs? National Heart, Lung, and Blood Institute What Is Bone? National Institute of Arthritis and Musculoskeletal and Skin Diseases What Is the Pancreas? Johns Hopkins University, Department of Pathology Your Digestive System and How It Works National Institute of Diabetes and Digestive and Kidney Diseases Videos and Tutorials Anatomy Videos Digestive System: The Inside Story Johns Hopkins Medicine Teenagers Body Basics Library Nemours Foundation Female Reproductive System Nemours Foundation Immune System Nemours Foundation Inside Your Body Department of Health and Human Services, Office on Women’s Health Male Reproductive System Nemours Foundation Games Body Parts National Museum of American History Women Female Reproductive System Nemours Foundation Related Issues Inside the Cell National Institute of General Medical Sciences Life and Death of a Neuron National Institute of Neurological Disorders and Stroke Proteins Are the Body’s Worker Molecules National Institute of General Medical Sciences What Happens When You Breathe? National Heart, Lung, and Blood Institute Men Male Reproductive System Nemours Foundation Children Your Bones Nemours Foundation Your Digestive System Nemours Foundation Your Ears Nemours Foundation Your Eyes Nemours Foundation Your Kidneys Nemours Foundation Your Lungs and Respiratory System Nemours Foundation Your Muscles Nemours Foundation Your Nails Nemours Foundation Your Nose Nemours Foundation Your Skin Nemours Foundation Your Teeth Nemours Foundation Your Tongue Nemours Foundation