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Rate of respiration is directly affected by –
  • a)
    CO2 concentration
  • b)
    O2 in trachea
  • c)
    Concentration of O2
  • d)
    Diaphragm expansion
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Rate of respiration is directly affected by –a)CO2concentrationb...
At a very high temperature, the rate of respiration decreases with time, and at very low temperature, the respiration rate is insignificant. Optimum temperature for respiration is 20 - 30oC. Carbon dioxide concentration: The higher the carbon dioxide concentration, the lower the rate of respiration. Carbon dioxide is the most potent influence over respiration. High levels of carbon dioxide correspond with high levels of acid (low pH) and signal the need for more oxygen. ... The resulting increase in alveoli ventilation flushes carbon dioxide out of the blood which increases the blood pH.
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Rate of respiration is directly affected by –a)CO2concentrationb)O2in tracheac)Concentration of O2d)Diaphragm expansionCorrect answer is option 'C'. Can you explain this answer?
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