Explain double circulation and its significance in mammals
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To complete one circulation throughout the body, blood passes twice through the heart. This process is known as Double- Circulation.
Its significance for mammals:
- To maintain body temperature
- To avoid the mixing of De-oxygenated blood with oxygenated blood.
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Double circulation is the cycle of blood that takes place in mammals where the blood reaches heart twice one time is taking up of oxygenated blood from lungs and pushing it towards organs and second is the deoxygenated blood from body that reaches heart to get pumped towards lungs for filtration.
The purpose if this is to
prevent mixing of pure and impure blood
moaintain human body efficiency and metabolic activities. CHEERS
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