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Breathing and Exchange of Gases

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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 of the following are the correct statement for respiration in human?
    1. Cigarette smoking may lead to inflammation of bronchi
    2. Neural signals from pneumotaxic centre in pons region of brain can increase the duration of inspiration
    3. Workers in grinding and stone - breaking industries may suffer from lung fibrosis
    4. About 90% of carbon dioxide (CO2) is carried by haemoglobin as carbamino haemoglobin.
Correct Option: C

(a) and (c). Neural signals from pneumotaxic center in pons region of brain can limit the duration of inspiration. About 25% of carbon dioxide (CO2) is carried by haemoglobin as carboxyhaemglobin.


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