ANATOMY

Detailed explanation-1: -The heart pumps blood along with the network of arteries and veins forming the ‘Cardiovascular system’. Hence, the Heart is the organ that pumps blood throughout the body .

Detailed explanation-2: -The right side of your heart receives oxygen-poor blood from your veins and pumps it to your lungs, where it picks up oxygen and gets rid of carbon dioxide. The left side of your heart receives oxygen-rich blood from your lungs and pumps it through your arteries to the rest of your body.

Detailed explanation-3: -It pumps the blood to your lungs to collect a fresh supply of oxygen. The left side of your heart pumps the re-oxygenated blood round your body again.