GK
HUMAN BODY AND REPRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Brain
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Aorta
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Lungs
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Pulmonary arteries
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Detailed explanation-1: -When the right ventricle contracts, blood is forced through the pulmonary semilunar valve into the pulmonary artery. Then it travels to the lungs. In the lungs, the blood receives oxygen then leaves through the pulmonary veins. It returns to the heart and enters the left atrium.
Detailed explanation-2: -Deoxygenated blood comes from the body and goes to the right atrium. The blood then travels through the TRICUSPID VALVE to get to the right ventricle. Once the right ventricle contracts, this blood is then pumped through the PULMONARY SEMILUNAR VALVE to the pulmonary arteries which will carry the blood to the lungs.
Detailed explanation-3: -When the left ventricle contracts, the right ventricle also contracts. This causes the pulmonary valve to open and the tricuspid valve to close. In the left ventricle, the oxygenated blood is pumping to other parts of the body.