Define and differentiate parasympathetic nervous system vs sympathetic nervous system

Explanation:

Parasympathetic and sympathetic nervous system are part of the autonomic nervous system(ANS). Parasympathetic nervous system controls the maintenance of the body's systems whereas sympathetic nervous system is responsible to stimulate the body's fight-flight response.

Parasympathetic nervous system             Sympathetic nervous system

1.  decreases the heart rate                            increase the heart rate

2.  relaxation of muscles                                  contraction of muscles

3. increase in urinary output                          decrease in urinary output

menstruation is a process in which blood and mucous flows out every month through the vagina. this process occurs every month because one egg is released from the ovary every month and at the same time, the uterus (womb) prepares itself to receive the fertilized egg.

explanation:

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