MEDICAL
HEART AND PERICARDIUM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which has valves, arteries or veins?
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Arteries
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Veins
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Veins have valves which allow blood to flow only in one direction. Arteries do not have valves.
Detailed explanation-2: -Many veins, particularly those in the arms and legs, have one-way valves. Each valve consists of two flaps (cusps or leaflets) with edges that meet. Blood flowing toward the heart pushes the flaps open like a pair of one-way swinging doors.
There is 1 question to complete.