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Division of the PNS

Sympathetic a...

Question

Sympathetic and parasympathetic nervous system are antagonistic in nature. Explain? (2 Marks)

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Solution

The autonomic nervous systems operate through two systems, namely sympathetic and parasympathetic systems which are opposite in their action. (1 Mark)

For example, if the sympathetic nervous system increases heart rate, the parasympathetic nervous system decreases it. (1 Mark)

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Q. sympathetic and parasympathetic nervous system are antagonistic in their actions. explain it with effects of systems on blood vessels

Q. The sympathetic and parasympathetic nervous systems are antagonistic in their actions. Give any two examples in support of this statement.

Q. Assertion [A]: Sympathetic and parasympathetic nervous systems are antagonistic to each other.

Reason [R]: The parasympathetic nervous system ‘prepares you’ for action, while the sympathetic system ‘calms you’ down after action.

Sympathetic and parasympathetic nervous systems are parts of which system?

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