Which of the following correctly describes the path blood takes through the vessels starting from the point at which it leaves the heart?
Group of answer choices
arteries - arterioles - capillaries - venules - veins
veins - venules - arteries - capillaries - arterioles
veins - venules - capillaries - arterioles - arteries
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Question 21 pts
Which layer of the vessles contains muscle tissue, and which muscle type is it?
Group of answer choices
tunica media, cardiac
tunica interna, cardiac
tunica media, smooth
tunica externa, skeletal
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Question 31 pts
The ___ are the only vessels where diffusion takes place.
Group of answer choices
arteries
veins
capillaries
diffusory vessels
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Question 41 pts
Which vessels carry blood to the heart from the lungs?
Group of answer choices
pulmonary arteries
pulmonary veins
aortic trunk
superior and inferior vena cava
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Question 51 pts
You would expect to find valves
Group of answer choices
in the aortic trunk to help direct blood flow
in the capillary beds in the skin to help regulate blood volume
in the carotid artery so help blood flow overcome gravity
in the great saphenous vein in the leg to prevent backflow