REPRODUCTION
HUMAN REPRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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ovary-provides milk for newborns
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placenta-storage of released eggs
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uterus-produces estrogen
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testis-development of sperm
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Detailed explanation-1: -The correct answer is B. Testis-development of sperm.
Detailed explanation-2: -Sperm develop in the testicles within a system of tiny tubes called the seminiferous tubules. At birth, these tubules contain simple round cells. During puberty, testosterone and other hormones cause these cells to transform into sperm cells.
Detailed explanation-3: -Penis and a pair of testes are the part of male reproductive system.
Detailed explanation-4: -The testes are oval organs about the size of very large olives that lie in the scrotum, secured at either end by a structure called the spermatic cord. Most men have two testes. The testes are responsible for making testosterone, the primary male sex hormone, and for producing sperm.
Detailed explanation-5: -Hence, isthmus is a paired structure in the options given below.