Lipids are about 90% fat, and gradually give up triglycerides as they circulate through the capillaries.
Answer: The Mitral and Tricuspid valves control blood flow in the heart
Explanation:
I think it’s B. The climate changed, and crocodiles could not survive in this region,
it sounds right
hope this helped! :)
Answer:
A) To provide oxygen to the person's lungs.
