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2.6 Circulatory system
Quiz by Tr April
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True or False: Blood vessels transport blood throughout the body.
True or False: Arteries carry blood toward the heart.
True or False: Veins have valves to prevent backflow of blood.
True or False: The lumen is the hollow center of a blood vessel.
Which blood vessel has thick, elastic walls to withstand high pressure?
Which vessels allow exchange of gases and nutrients with tissues?
Valves are found primarily in which vessels?
In a double circulatory system, blood passes through the heart how many times per cycle?
Complete the sentence: One loop carries blood from your heart to the lungs and back again. In the lungs, the blood gains _________________.
It functions like a one-way door, opening to let blood move through the heart’s chambers and closing to stop it from flowing backward.
State the blood vessel where substances can easily diffuse between the blood and body cells.