Human Heart Anatomy and Function Quiz

Left atrium receives oxygenated blood from the lungs.

Heart valves prevent backflow of blood.

Red blood cells are responsible for carrying oxygen in the blood.

The pacemaker of the heart is called the Sinoatrial node.

Vena cava carries deoxygenated blood from the body to the heart.

Artery carries oxygen-rich blood away from the heart to the body.

Systole is the contraction phase of the heart cycle.

Myocardium is the layer of the heart wall responsible for contraction.

Atherosclerosis is characterized by the accumulation of plaque in the coronary arteries.

Parasympathetic nervous system controls heart rate and rhythm.

Left main coronary artery is known as the 'widow-maker' due to its critical role in heart health.

Mitral valve separates the left atrium from the left ventricle.

Sinoatrial node is responsible for generating electrical impulses to initiate heartbeats.

Right ventricle is responsible for pumping blood to the lungs for oxygenation.

Chordae tendineae function to support heart valves.