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NEET
Exam
NEET
Subject
Zoology
Chapter
Breathing and Exchange of Gases

NEET · Zoology · Breathing and Exchange of Gases

Which of the following does not occur during respiration?

Which of the following does not occur during respiration?

Options

  1. ADiffusion of O₂ and CO₂ between blood and tissues
  2. BTransport of gases by the blood
  3. CUtilisation of O₂ by the cells
  4. DAbsorption of food

Correct answer

D. Absorption of food

Step-by-step solution

Respiration involves the following steps: (i) Breathing or pulmonary ventilation by which atmospheric air is drawn in and CO₂ rich alveolar air is released out. (ii) Diffusion of gases (O₂ and CO₂) across alveolar membrane. (iii) Transport of gases by the blood. (iv) Diffusion of O₂ and CO₂ between blood and tissues. (v) Utilisation of O₂ by the cells for catabolic reactions and resultant release of CO₂

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