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Breathing and Exchange of Gases

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Difficult Questions

Advanced Zoology

Animal Kingdom
Structural Organisation in Animals
Digestion and Absorption
Breathing and Exchange of Gases
Body Fluids and Circulation
Excretory Products and their Elimination
Locomotion and Movement
Neural Control and Coordination
Chemical Coordination and Integration
Human Reproduction
Human Health and Disease
Biotechnology Principles and Processes
Biomolecules (Zoology)
Evolution (Zoology)
Biotechnology and its Applications
Reproductive Health
  1. Which one of the following organs in the human body is most affected due to shortage of oxygen?
    1. intestine
    2. skin
    3. kidney
    4. brain
Correct Option: D

Brain is the most vital organ. It stops functioning in the absence of O2.


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