Cranial

... ( in human nervous system (anatomy): Vagus nerve (CN X or 10) ) The vagus nerve has the most extensive distribution in the body of all the cranial nerves, innervating structures as diverse as the external surface of the eardrum and internal abdominal organs. The root of the nerve exits ...

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ANS connects to SA node via dual innervation: First from sympathetic nervous system (Spinal nerve T1-4) Second from parasympathetic nervous system(Cranial nerve CN-X) Sympathetic stimulation lead to increase rate of SA impulses so increase heart rate Parasympathetic stimulation lead decrease rate ...

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... (see, Franz Samelson (1975, 1982), Snyderman & Herrnstein 1983). Gould states that Morton "doctored" his collection of results on cranial size, but J. S. Michael (1988) remeasured a random sample of the Morton collection he found that very few errors had been made, and that these ...

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Including all of the relevant anatomical structures (and ending with the activation of the cranial nerve), explain how we sense spinning in a chair. What happens when the chair is suddenly stopped?

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Vagus nerve is a cranial nerve that when stimulated slows down the heart rate. That's why valsalva maneuver is a no-no to those with heart ailments.

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