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PtichkaEL [24]
3 years ago
15

Need help with two questions

Health
2 answers:
notsponge [240]3 years ago
5 0

Answer:

you got the first one right not sure on the second one

Explanation:

ratelena [41]3 years ago
4 0

Answer:

It's both the first one

Explanation:

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  • sensory input from receptors in joints, neural input from the motor cortex, and other factors stimulates increased respiration at the beginning of exercise.  
  • As we do exercise our muscles gets active, it produces lactic acid that enters the blood and hydrogen ions are a release that reduces the pH due to a decrease in the pH stimulates the sensory receptors to carry nerve impulses to respiratory muscles and this increase respiration at the beginning of the exercise.
  • In medual the respiratory center is stimulated by increasing the carbon dioxide concentration.

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