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What is double circulahim ? Why …

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What is double circulahim ? Why is it necessary

Posted by Account Deleted 4 years, 11 months ago

CBSE > Class 10 > Science

1 answers

Good Day 4 years, 11 months ago

Mammals have a double circulatory system. This means that during a single cycle, the blood goes twice in the heart. There are two loops in which blood is circulated. One loop is oxygenated and the other is de-oxygenated. This double circulatory system is important because it ensures provision of oxygenated blood to the muscle and not a mixture of oxygenated and de-oxygenated blood. Hence, this system ensures efficient supply of oxygenated blood to the muscles.

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CBSE > Class 10 > Science