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What is the effect of vagus nerve on the...

What is the effect of vagus nerve on the heart rate?

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### Step-by-Step Solution: 1. **Understanding the Vagus Nerve**: - The vagus nerve is the 10th cranial nerve and is the longest cranial nerve in the body. It originates from the brain and extends to various internal organs, including the heart. 2. **Function of the Vagus Nerve**: - The vagus nerve is classified as a mixed cranial nerve, meaning it carries both sensory and motor fibers. It plays a crucial role in the parasympathetic nervous system, which is responsible for the body's rest and digest functions. ...
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