1. Which of the following is more likely to regulate the rate of respiration? a. Hemoglobin...

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1. Which of the following is more likely to regulate the rate of respiration? a. Hemoglobin...

1. Which of the following is more likely to regulate the rate of respiration?

a. Hemoglobin

b. Bicarbonate and sodium

c. Carbon Dioxide

2. Exhalation happen when intrapulmonary (inside lungs) pressure is?

a. Less than intrapulmonary pressure

b. More than intra alveolar pressure

c. Less than atmospheric pressure

d. More than atmospheric pressure

science Anatomy-And-Physiology

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Answer 1

Answer #1

Answers.

Question 1.

C. Carbon dioxide.

Amount of Carbon dioxide in the body regulate the respiration.
If the partial pressur eof carbon dioxide increases rate of respirationnincreases.
This increase is detected by central and peripheral chemoreceptors.

Question 2

D. More than atmospheric pressure.

When the pressure inside lung increases volume decreases expiration occurs.
Air moves from high pressure to low pressure.

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Answer 2

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