3 years ago

You will measure and compare the heart rates of ten learners before and after

Biology

1 answer:

rewona [7]3 years ago

8 0

Answer:

Exercise is responsible for the increasing heart beat.

Explanation:

Exercise is responsible for the increasing heart beat because our body needs oxygen more faster during exercise. When we exercise our body needs quick energy and oxygen which can be provided by heart as well as the heart also removes carbondioxide which is produces during respiration process so the heart beat increases in order to provide energy and oxygen to the muscles.

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