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What is another name for atrio-ventricular valves?
Bicuspid or tricuspid valves, depending on which side of the heart you are talking about
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What causes the atrio-ventricular valves to close?
The rise in pressure inside the ventricles, when the walls of the ventricles contract.
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What does the word atrio mean in latin?
"AtriĆ" is the dative/ablative singular of the Latin word "atrium," literally meaning "atrium" (the first main room of a Roman house).
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What is the function of atrio-ventricular valve?
The heart valves- the bicuspid and tricuspid valves- are there to prevent blood from back-welling into the atria after atrial systole (contraction). Once the atria have filled… the ventricles of the heart with blood, the valves close- making the "heartbeat sound." The ventricles can then contract. If these valves didn't exist, then the blood would flow back into the atria, and you'd probably have a colossal heart attack and die. Isn't biology a cheery subject?! (MORE)
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Right atrio ventricular valve is tricuspid having low pressure while left atrio ventricular valve is bicuspid while having high pressure Why?
Pressure levels differ in the tricuspid and the bicuspid because of pressure gradients as influenced by volume of inflows.