The primary job of the heart is to:
A. pump blood.
B. oxygenate the blood.
C. remove wastes from the blood.
D. store blood.
Answer (1)
The heart's primary role is to pump blood throughout the body, delivering oxygen and nutrients to tissues. It also supports other processes like waste removal but does not oxygenate blood or store it. Therefore, the correct answer to the question is option OA: pump blood. ;
