Heavy consumption of alcohol induces shrinkage of male testicles, affect male reproductive system. Hence, option A. It shrinks the size of testicles is correct.
What is human reproductive system?
In male reproductive system the sperm cells are produced by testicles which are transferred to female for fertilization.
The Leydig cell of testicles involve in the production a hormone called testosterone responsible for male characteristics.
Alcohol consumption decrease the hormone secretion in hypothalamus, production of testosterone by leydig cell of testes and also luteinizing hormone, follicle stimulating hormone production by anterior pituitary gland.
Heavy alcohol consumption in female will affect the growth and puberty and it may increase the frequency of menstruation.
Heavy drinking of alcohol causes the shrinkage of testicles, affects its shape and size. Hence the quantity of sperm and testosterone hormone production decreases, ultimately lead to male infertility. Thus, Option A is correct.
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