In birds and mammals,the oxygenated blood is | vedclass

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Question

(A) In birds and mammals,the heart is four-chambered. Oxygenated blood from the lungs enters the left atrium through the pulmonary veins. Deoxygenated

Vedclass · Accepted Answer

$A-$ left atrium,$B-$ right atrium

Vedclass · Answer

(A) In birds and mammals,the heart is four-chambered. Oxygenated blood from the lungs enters the left atrium through the pulmonary veins. Deoxygenated blood from the body enters the right atrium through the vena cava. Therefore,$A$ represents the left atrium and $B$ represents the right atrium. This separation ensures that there is no mixing of oxygenated and deoxygenated blood.

In birds and mammals,the oxygenated blood is received by ...$A$... and deoxygenated blood is received by ...$B$.... The ventricles pump it out without any mixing of oxygenated and deoxygenated blood. Choose the correct option for $A$ and $B$.

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