What occurs during the third step of respiration?

What occurs during the third step of respiration?
  1. Breathing or pulmonary ventilation
  2. Diffusion of gases across alveolar membrane
  3. Transport of gases by the blood
  4. Utilisation of O₂ by the cells

Solution

During the third step of respiration, the gases (O₂ and CO₂) are transported by the blood.

Asked in: NCERT

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