Parasympathetic system causes:
Correct answer: D. Digestion of food
- A. Dilate pupils
- B. Accelerate heart beat
- C. Vasoconstriction
- D. Digestion of food
- E. Activation of sweat secretion
Explanation
The parasympathetic system is active when the body is at rest and ensures normal physiological functions like digestion and active metabolism. On the other hand, the sympathetic nervous system is activated in flight or fight conditions, i.e., when the body is under stress. It causes the dilation of pupils, vasoconstriction, increased heart rate, and inhibits peristaltic movement in the gastrointestinal tract.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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