Injury to the vagus nerve in humans is not likely to affect:
Correct answer: A. Tongue movements
- A. Tongue movements
- B. Gastrointestinal movements
- C. Pancreatic secretion
- D. Cardiac movements
Explanation
The vagus nerve supplies the heart, lungs, and digestive tract but does not control tongue movement, which is handied by the hypoglossal nerve.
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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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