A human male has engaged in sexual activity. Did he use his sympathetic or parasympathetic nervous system? Explain

your answer. What will be an ideal response?


ANSWER: Actually, both systems were used. For the male to achieve an erection, the parasympathetic
system would have generated a response. However, to ejaculate, the sympathetic system
would have needed to be in charge.

Biology & Microbiology

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The major histocompatibility complex is also called the

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The semen from a man who has had a vasectomy would include each of the following except ________

A) sperm B) secretions from the prostate gland C) secretions from the bulbourethral glands D) secretions from the seminal vesicles

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Test of hypothesis:

a. observation b. experiment c. control

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According to the figure, what is occurring during day 2?

A. copulation B. luteal regression C. menstruation D. release of corpus luteum E. ovulation

Biology & Microbiology