Which statement best describes the difference between the sympathetic and parasympathetic nervous systems? a. the sympathetic system sends signals within the brain and the parasympathetic system sends signals between the brain and the body. b. the sympathetic system prepares the body for stress and activity and the parasympathetic system prepares the body for rest. c. the sympathetic system controls voluntary body movements and the parasympathetic system controls involuntary functions. d. the sympathetic system contains the brain and spinal cord and the parasympathetic system contains the peripheral nerves.

The correct answer is option B, that is, the sympathetic system prepares the body for stress and activity and the parasympathetic system prepares the body for rest.  

Both the parasympathetic and sympathetic nervous system are the components of the autonomic nervous system that works obligatorily. The sympathetic nervous system holds the key in controlling the body at the time of stress and injury, it is generally regarded as fight or flight. It contracts the muscles of the heart in order to enhance the rate of the heart.  

On the other hand, the parasympathetic nervous system is responsible to monitor the function of the body when it is at rest. It assists in sustaining the homeostasis in the body. It relaxes the muscles of the heart in order to reduce the rate of the heart.  

The answer is option B.

Explanation:

Both the parasympathetic and thoughtful sensory system are the segments of the autonomic sensory system that works compulsorily. The thoughtful sensory system holds the key in controlling the body at the season of pressure and damage, it is by and large viewed as battle or flight. It gets the muscles of the heart with the end goal to improve the rate of the heart.  Then again, the parasympathetic sensory system is mindful to screen the capacity of the body when it is very still. It helps with maintaining the homeostasis in the body. It loosens up the muscles of the heart with the end goal to diminish the rate of the heart.

hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.

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