Question

the __________ is a muscular organ that pumps blood to the body through blood vessels. options: vein, artery, heart, kidney

Explanation:

To solve this, we analyze each option:

• Vein: A blood vessel that carries blood toward the heart, not the organ that pumps blood.
• Artery: A blood vessel that carries blood away from the heart, not the pumping organ.
• Heart: A muscular organ responsible for pumping blood throughout the body via blood vessels.
• Kidney: An organ for filtering blood and producing urine, not for pumping blood.

Answer:

C. heart