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After exercising for an extended period, the amount of carbon dioxide begins to build within the...

  1. After exercising for an extended period, the amount of carbon dioxide begins to build within the bloodstream. In response, heart rate and respiratory rate increases to meet the demands of the body (deliver more oxygen and expel more carbon dioxide).

  1. Why are the heart and respiratory rates increasing?
  1. Which type of homeostatic regulation is this? Explain.
Science   Anatomy-And-Physiology   
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Answer #1

Inc in respiration rate by :  

For the respiratory rate, the chemoreceptors are the sensors for blood pH, the medulla and pons form the integrating center, and the respiratory muscles are the effector.

After an vigorous exercise amount of carbon dioxide inc in the blood  As it combines with water, it forms carbonic acid, making the blood acidic. So CO2 in the bloodstream lowers the blood pH. Breathing rate and breathing volume increase, the blood pressure increases, the heart rate increases

Type of homeostasis : acid base balance

The body controls the amounts of acids and bases in the blood. When the number of acidic compounds in the blood increases, body acidity also increases.

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