Injury to vagus nerve in humans is not likely to affect:

Gastrointestinal movements

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Pancreatic secretion

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Cardiac movements

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Tongue movements

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Solution

The correct option is D Tongue movements
The vagus nerve is the longest cranial nerve in the body. It provides a bidirectional link between gut and brain and connects all major organs (excluding the thyroid and adrenal glands). It not only regulates the gut but also affects the cardiovascular, respiratory, immune, and endocrine systems. Therefore, damage to vagus nerve does not affect the tongue movement.

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