hutchinsonkaden4 hutchinsonkaden4

25-12-2018
Biology

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John Likes hiking he observes that whenever he hikes up a hill he breathe heavier than when he is on flat ground which two statements explain why this happened

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legiuitorul legiuitorul

25-12-2018

because when he hikes up a hill he does much more effort than when he walks in flat ground, also the heart beats faster in order to send blood to all his organism

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evaissel8 evaissel8

28-04-2020

Answer:

Sensors in the brain detect a lack of oxygen.

The muscles in his body need more energy and therefore more oxygen

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