Heart

Muscular organ that pumps blood.

cardiac muscle ticker

The heart is a muscular organ that pumps blood through the circulatory system by rhythmic contraction and relaxation.

/hɑːrt/

From Old English hƴrt meaning 'heart, courage, spirit'.

Your heart is a strong muscle that works like a pump, sending blood all around your body to keep you alive and energized.

ticker cardiac muscle

organ circulatory system

left ventricle right atrium sinoatrial node

valves chambers arteries veins

human body animal body

anatomical structure organ