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A large proportion of oxygen is left unused in the human blood even after its uptake by the body tissues. This O2
Options
(a) acts as a reserve during muscular exercise
(b) raise the ₚCO₂ of blood to 75 mm of Hg.
(c) is enough to keep oxyhaemoclobin saturation at 96%
(d) helps in releasing more O₂ to the epithelial tissues.
Correct Answer:
acts as a reserve during muscular exercise
Explanation:
A 75% of oxygen is left unused in the human blood even after its uptake (25%) by the body tissues. This O₂ acts as a reserve during muscular exercise.
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Topics: Human Body Fluids and Excretory Products
(197)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following characteristics is common to both in humans and adult frogs?
- Juxtaglomerular apparatus is made up of
- Which one of the following is not a lateral meristem?
- In Krebs cycle OAA accepts acetyl CoA to form
- Cryo preservation of gametes of threatened species in viable
Topics: Human Body Fluids and Excretory Products (197)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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