Which one of the following accurately pairs the blood vessel type with its function?
a. aorta – carry oxygen-poor blood only
b. arteries – carry blood to the heart
c. capillaries – work to exchange gases and nutrients with tissues
d. veins – carry blood away from the heart

How does modernization affect ecosystem

If babies are consistently placed on their backs without any restrictions, what will happen to their development? a. they suffer from weakness in certain muscle groups. b. their ability to roll over, crawl, and eventually walk is hindered. c. they suffer brain damage from the pressure on the back of the head. d. they learn to roll over, crawl, and eventually walk on their own.

What is the most common blood type in the u. s.?