Interactive human anatomy atlas
Explore 1,049 structures across 13 body systems on an animated, layered body map — bones, muscles, nerves, arteries and veins, organs, glands, lymphatics and cells — with 32 interactive diagrams and 372 exam-style questions.
Body systems
- Skeletal System116 structures · Living scaffold, lever and mineral bank
- Muscular System142 structures · Force, movement, posture and heat
- Nervous System110 structures · Sense, integrate and command in milliseconds
- Cardiovascular System137 structures · Pump, pipes and pressure
- Respiratory System57 structures · Air in, CO2 out, every breath
- Digestive System86 structures · Break down, absorb, eliminate
- Urinary System56 structures · Filter, refine, store and void
- Reproductive System52 structures · Gametes, hormones and new life
- Endocrine System65 structures · Chemical messengers, body-wide control
- Lymphatic & Immune System59 structures · Drainage, surveillance and defence
- Integumentary System30 structures · The body's living, sensing boundary
- Special Senses66 structures · Light, sound, balance, smell and taste
- Cells & Tissues73 structures · The living units and their fabrics
Popular structures
Heart Brain Liver Kidney Femur Skull Right lung Stomach Biceps brachii Median nerve Aorta Thyroid gland Eye (eyeball) Spinal cord Pancreas Knee joint
Interactive diagrams
Long Bone — Structure Skull — Lateral View Synovial Joint — Structure Muscles — Posterior View Sarcomere & Sliding Filaments Brain — Lateral View Brain — Midsagittal Section Chemical Synapse Neuron & Action Potential Blood Vessel Wall Cardiac Conduction System & ECG Heart — Internal Anatomy Alveolus & Gas Exchange Respiratory Tract Intestinal Villus and Absorption Liver Lobule Tooth: Molar in Longitudinal Section Wall of the Gastrointestinal Tract Kidney — Coronal Section Nephron — Juxtamedullary Female Reproductive Organs Male Reproductive Organs Hypothalamic–Pituitary Axis Adaptive Immune Response Lymph Node — Sectioned Skin — Layers and Appendages Ear — Coronal Section Eye — Horizontal Section Smell and Taste — Chemoreceptors Mitosis and Cytokinesis Plasma Membrane — Fluid Mosaic Model The Eukaryotic Cell