Question 1
Which statement best describes arteries?
◦ All contain valves to prevent the backflow of blood.
◦ All carry oxygenated blood to the heart.
◦ All carry blood away from the heart.
◦ Only large arteries are lined with endothelium.
Question 2
Permitting the exchange of nutrients and gases between the blood and tissue cells is the primary function of ________.
◦ veins
◦ arteries
◦ capillaries
◦ arterioles