Write the Steps in Respiration

The steps involved in respiration are as follows:

  • Pulmonary ventilation or breathing through which atmospheric air is drawn in and carbon dioxide-rich air is given out
  • Diffusion of gases across the alveolar membrane
  • Gaseous transport by the blood
  • Diffusion of carbon dioxide and oxygen between tissues and blood
  • Oxygen is used by cells for catabolic reactions and resultant release of carbon dioxide

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