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Question: Answered & Verified by Expert
What happens to oxygen when it reaches the tissues?
BiologyBreathing and Exchange of GasesNEET
Options:
  • A Binds to haemoglobin
  • B Dissociates from oxyhemoglobin
  • C Binds to H⁺ concentration
  • D Dissociates from H⁺ concentration
Solution:
2261 Upvotes Verified Answer
The correct answer is: Dissociates from oxyhemoglobin
When oxygen reaches the tissues, it dissociates from oxyhemoglobin due to favorable conditions of low pO₂, high pCO₂, high H⁺ concentration and higher temperature.

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