MICROANATOMY

Detailed explanation-1: -The heart is a hollow muscular organ about the size of a closed fist. It’s in the centre of your chest, behind the breastbone. Each heartbeat sends blood that’s rich in oxygen and nutrients to all parts of your body.

Detailed explanation-2: -The heart is a large, muscular organ that pumps blood filled with oxygen and nutrients through the blood vessels to the body tissues.

Detailed explanation-3: -In order to pump blood, your heart has: Four hollow spaces (chambers) for the blood to flow through. Four heart valves to make sure blood flows in the right direction. An electrical system to tell the heart muscle when to contract.

Detailed explanation-4: -The pumping organ in the human body is heart . Heart pumps oxygenated blood to different parts of the body.

Detailed explanation-5: -It pumps blood around your body as your heart beats. This blood sends oxygen and nutrients to all parts of your body, and carries away unwanted carbon dioxide and waste products.