Crisceltirante259viz
Answered

it is a hollow muscular organ that pumps blood throughout the body, supplying Oxygen and nutrients to the tissues and removing carbon dioxide and other waste​

Sagot :

RuiMinakazeAiviz

Answer:

The Heart.

Explanation:

The heart is a hollow muscular organ which beats over 100,000 times a day to pump blood around the body's 60,000 miles of blood vessels.