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Andrews [41]
3 years ago
14

What happened to Bryson's heart beat and breathing rate as he pedaled uphill? Why? Please answer

Biology
1 answer:
elixir [45]3 years ago
6 0

I am not sure because there may be more context, but here is what I am guessing the answer is.

As Bryson pedaled uphill both his heartbeat and breathing rate increased. His breathing rate increases to provide the body (more specifically, exercising muscles) with oxygen at a higher rate and his heart rate increases to deliver the oxygen (and glucose) to the respiring muscles more efficiently.

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