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vampirchik [111]
3 years ago
8

After discovering that the shadows outside his window were only the trees in the yard, Ralph's blood pressure decreased and his

heartbeat slowed. These physical reactions were most directly regulated by his sympathetic nervous system. somatic nervous system. parasympathetic nervous system. sensory nervous system.
Health
1 answer:
11111nata11111 [884]3 years ago
7 0

Answer:

The sympathetic nervous system is what controls blood pressure and heart rate. It also stimulates and controls your "fight or flight" response.

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There are many parts of the peripheral nervous system, but options are not listed below.

I will use my best prediction using deductive reasoning to proves which is part of the PNS - peripheral nervous system.

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As you may know the PNS, is broken down into two pieces.

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The somatic nervous system on the other hand is voluntary, and is associated with the feelings of the body. (heat, cold, touch, smell)




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