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Body Fluids and Circulation

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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. Pulmonary artery differs from pulmonary vein in having
    1. no endothelium
    2. valves
    3. large lumen
    4. thick muscular walls
Correct Option: D

Arteries have thick wall and narrow lumen while veins have thin walls and large lumen. Arteries do not have valves.


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