Anatomy

🫀Heart

12 structures

A muscular organ about the size of a fist that pumps blood through the circulatory system. It beats roughly 100,000 times per day, pushing about 2,000 gallons of blood through the body.

Source: Wikipedia

💡The heart generates its own electrical impulses via the sinoatrial node and can continue beating even when disconnected from the body.

12 structures

🫀 right atrium 🫀 left atrium 🫀 right ventricle 🫀 left ventricle 🫀 tricuspid valve 🫀 mitral valve 🫀 pulmonary valve 🫀 aortic valve 🫀 sinoatrial node 🫀 atrioventricular node 🫀 septum 🫀 pericardium

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