Have you tried looking at quizlet?
Answer:
The correct answer is B)Deep petrosal nerve
Explanation:
Postganglionic sympathetic fibers in the nerve of the pterygoid canal originate from the deep petrosal nerve. This corresponds to an internal carotid plexus and is formed by postganglionic fibers of the upper cervical ganglion; transports sympathetic postganglionic fibers directed to the blood vessels.
When you exercise, your body releases chemicals called endorphins. These endorphins interact with the receptors in your brain that reduce your perception of pain. Endorphins also trigger a positive feeling in the body, similar to that of morphine.
