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Neural Control and Coordination

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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)
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  1. Which of the following is an example of negative feedback loop in humans?
    1. Secretion of tears after falling of sand particles into the eye.
    2. Salivation of mouth at the sight of delicious food
    3. Secretion of sweat glands and constriction of skin blood vessels when it is too hot
    4. Constriction of skin blood vessels and contraction of skeletal muscles when it is too cold
Correct Option: D

When the set point of hypothalamus is disturbed by high temperature, it stimulates vasodilation and sweating while in low temperature there is vasoconstriction and shivering.


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