The primary structure responsible for pumping blood for circulation through the mammalian circulatory systems is the
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
Correct Answer: Option D
Explanation:
The left ventricle pumps the oxygen-rich blood through the aortic valve out to the rest of the body.
The left ventricle pumps the oxygen-rich blood through the aortic valve out to the rest of the body.