billy66 billy66

19-01-2017
Biology

contestada

When you start to exercise, the body responds in various ways due to internal stimuli. One response is an increase in heart rate. Identify a stimulus that would cause an increase in heart rate.

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roytucker roytucker

19-01-2017

fear would cause a severe increase in heart rate but I'm not sure that's what its asking

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carthur10 carthur10

10-01-2021

Answer:d

Explanation:

Increase in co2

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