Interactive Heart Anatomy

Click on any structure to learn about it • Drag to rotate the 3D model

Oxygenated blood
Deoxygenated blood
Heart muscle
Valves

Structure Details

Welcome!
Click on any part of the heart to learn about its structure and function. Drag to rotate the model in 3D.
Did you know? Your heart beats about 100,000 times every day, pumping roughly 2,000 gallons of blood!

Cardiac Cycle

Diastole
Atrial Systole
Ventricular Systole
Heart is relaxing — chambers filling with blood

Controls

72 bpm
100%