Moderate

Haemoglobin in men increases the oxygen carrying capacity of the blood to about _.

Correct answer: D. 75 times

  • A. 50 times
  • B. 65 times
  • C. 70 times
  • D. 75 times

Explanation

Option D is correct since 'Haemoglobin' is the most important protein present in many animals including man as it increases the oxygen-carrying capacity of blood to about 75 times. This is written in Punjab and Federal books.

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