Question 17
Transport in AnimalsThe primary structure responsible for pumping blood for circulation through the mammalian circulatory systems is the
- A.right auricle
- B.arteries
- C.left ventricle
- D.veins.
Show the answer and explanation
Answer: C (left ventricle)
Explanation
The left ventricle has the thickest muscular wall and pumps blood under high pressure into the aorta and round the body.