The difference between the male reproductive system to other body systems is it isn’t necessary for vital signs.
The male reproductive system consists of the testes, prostate gland, vas deference, and urethra.
Its main functions are to produce male hormones and transport and produce sperms.
It is a necessary system to show the signs and characters of males.
Thus, the correct option is A, it isn’t necessary for vital signs.
Learn more about the male reproductive system
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