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BlackZzzverrR [31]
3 years ago
10

Robert decides to go for a run when he gets home from school. As he begins running, his breathing rate starts to increase. What

are the mechanisms that cause his breathing rate to increase?
Biology
1 answer:
Lubov Fominskaja [6]3 years ago
3 0

Answer:

When oxygen levels in the blood decrease, the respiratory center sends signals to the diaphragm to increase the rate at which it contracts and relaxes.

Explanation:

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