Question

Why the rate of heart beat is more in animals with less weight?

Answer 1

Explanation:

The time taken for circulation of blood from heart to body parts and body parts to heart is less. Therefore the rate heart beat is more in the animals with less weight.

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Answer 2

Answer:

Explanation:

the small sized animals have high heart beat beacause as the weight of the organism increasesthen the heart beat per minute increases beacause small organisms have a large a large surface area to the volume ratio than the large organisms

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