Which of the following statements about the heart is true?
A.
The heart is responsible for the production of red blood cells
B.
The heart pumps oxygenated blood to the lungs
C.
The heart receives blood from the kidneys and filters waste products
D.
The heart is a muscular organ that contracts to circulate blood throughout the body
Correct answer is D
The heart is a vital organ in the circulatory system responsible for pumping and circulating blood throughout the body.
