Question

Your heart functions in your body as a(n)
A. organ for absorbing vitamins and minerals.
B. filter for impurities.
C. series of joints responsible for endurance.
D. muscle that helps to pump oxygen around the body.

Answer 1

The correct answer is d. muscle that helps to pump oxygen around the body. The heart is made up of specialized muscle known as cardiac muscle. It pumps blood through a network of veins, capillaries and arteries. Oxygenated blood is pumped tp organs and deoxygenated blood is pumped to the lungs to replenish the supply of oxygen.

Answer 2

The answer is D muscle that helps to pump oxygen around the body.