Biology, asked by GOLDENABI, 5 months ago

how does adrenaline affect the performance of a swimmer

Answers

Answered by Shujathekiya

Answer:

please mark me as brainliest

Explanation:

Heart. ... The heart, upon feeling the increase in adrenalin, immediately boosts the rate and strength of its beating. The result is an increase in blood pressure, which, in turn, allows for an increase in respiratory exchange, making more oxygen available for the working muscles.

Answered by rajuarkeri

Answer:

please give me brainlist question

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