Question

The valves between each atrium and its ventricles are__________way valves.​

Answer 1

Answer:

one- way

Explanation:

Valves prevent the backflow of blood. Therefore the valves between atrium and ventricles are one way valves.

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Answer 2

The heart has 4 chambers, 2 upper chambers (atria) and 2 lower chambers (ventricles). Blood passes through a valve before leaving each chamber of the heart. The valves prevent the backward flow of blood. Valves are actually flaps (leaflets) that act as one-way inlets for blood coming into a ventricle and one-way outlets for blood leaving a ventricle. Normal valves have 3 flaps (leaflets), except the mitral valve. It only has 2 flaps. The 4 heart valves are given above by the image.

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