Question

complete the sentences regarding cardiovascular system structure and function. 1. a major function of the cardiovascular system is to: (click to select). to fulfill this purpose, you have the following structures: the (click to select), provides pre (click to select) ids into the large and elastic (click to select), which will carry the blood to the body. 2. the vessels leaving the heart will branch and beco (click to select), these are the (click to select). 3. the vessels will continue to branch and get smaller (click to select), which are the sites of gas, n (click to select), eventually, they will become the change.

Explanation:

1. The cardiovascular system's major function is to transport fluids (blood). The heart pumps blood into the aorta which is large and elastic and carries blood to the body.
2. Vessels leaving the heart are arteries which branch.
3. As vessels continue to branch and get smaller, they become arterioles and then capillaries which are the sites of gas and nutrient exchange.

Answer:

1. transport fluids, heart, aorta
2. arteries
3. arterioles, capillaries