Briefly mention the steps in double-circulation through human heart.
Briefly mention the steps in double-circulation through human heart.
Solution
• Oxygenated blood from lungs comes to left atrium which
pushes it to left ventricle →
• Left ventricle contracts to push blood into aorta, to be
sent to body parts →
• Deoxygenated blood from body parts is collected and
sent to right atrium →
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• Right atrium pushes it to right ventricle, to be sent to
lungs for oxygenation.