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The activities of all visceral organs are coordinated through the regulation of their smooth muscles and glands by the nerve fibres of the sympathetic and parasympathetic nervous system. These constitute the autonomic nervous system which carry out functions that are not under the control of our will.

1. The activities of all visceral organs are coordinated by the autonomic nervous system.
2. The autonomic nervous system regulates smooth muscles and glands.
3. The autonomic nervous system is made up of sympathetic and parasympathetic nervous systems.
4. The autonomic nervous system carries out functions not under voluntary control.

Correct answer: The activities of all visceral organs are coordinated by the autonomic nervous system.

Solution

The passage says visceral organ activities are coordinated through the autonomic nervous system, which regulates smooth muscles and glands and works involuntarily. The best answer is the broad summary of that main point.

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