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NEET2023ZoologyBreathing and Exchange of GasesActual

Select the sequence of steps in Respiration. (A) Diffusion of gases ( O ₂ . and . CO ₂ ) across alveolar membrane. (B) Diffusion of O ₂ and CO ₂ between blood and tissues. (C) Transport of gases by the blood. (D) Pulmonary ventilation by which atmospheric air is drawn in and CO ₂ rich alveolar air is released out. (E) Utilisation of O ₂ by the cells for catabolic reactions and resultant release of CO ₂ . Choose the c

Options

  1. A(B), (C), (E), (D), (A)
  2. B(A), (C), (B), (E), (D)
  3. C(D), (A), (C), (B), (E)
  4. D(C), (B), (A), (E), (D)

Correct answer

C. (D), (A), (C), (B), (E)

Step-by-step solution

Option (3) is the answer, because the respiration involves the following stages: 1. Breathing or pulmonary ventilation by which atmospheric air is drawn in and CO ₂ rich alveolar air is released out. 2. Diffusion of gases ( O ₂ . and . CO ₂ ) across alveolar membrane. 3. Transport of gases by the blood. 4. Diffusion of O ₂ and CO ₂ between blood and tissue. 5. Utilisation of O ₂ by the cells for catabolic reactions and resultant release of CO ₂ Rest of options (1), (2) and (4) are not the answers because these step

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