MEDICAL
HEART AND PERICARDIUM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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control speed of heart beat
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keep blood flowing in one direction
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prevent pathogens from entering the heart
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separate the heart into two sides
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Detailed explanation-1: -Heart valves control the flow of blood so that it moves in the right direction. The valves prevent blood from flowing backward. The heart has four valves. The tricuspid valve separates the right atrium and right ventricle.
Detailed explanation-2: -The artery have thick elastic walls and arteries receives blood in high pressure directly from the left ventricle. Because of the high pressure flow of blood from the heart and the elasticity of the vessels, they blood flows only in one direction in arteries.
Detailed explanation-3: -Your valves ensure that blood flows only in one direction. These valves are: Aortic valve connects your left ventricle and aorta (large artery that carries blood throughout your body). Mitral valve connects your left atrium and left ventricle.