In humans,exchange of gases occurs

  • A
    By diffusion
  • B
    Between blood and tissue
  • C
    Between alveoli and pulmonary blood capillary
  • D
    All of the above

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Similar Questions

The partial pressure of oxygen in the alveolar air is

Diffusion of gases occurs in the alveolar region only and not in the other parts of the respiratory system. Why?

Under normal physiological conditions,$100 \, mL$ of oxygenated blood delivers how much $CO_2$ to the alveoli?

What is the value of $pO_2$ in alveoli and tissues respectively?

Which of the following factors affect the rate of diffusion?

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