The reproductive events in humans include formation of gametes ( ______ ), i.e., sperms in males and ovum in females,
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Transfer of sperms into the female genital tract ( ______ ) and fusion of male and female gametes ( ______ ) leading to formation of zygote
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Fertilisation is followed by formation and development of ______ and its attachment to the uterine wall (implantation), embryonic development (gestation) and delivery of the baby ( ______ ).
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There are remarkable differences between the reproductive events in the male and in the female, for example, ______ formation continues even in old men, but formation of ovum ceases in women around the age of ______ years
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The male reproductive system is located in the ______ region .
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Male reproductive system includes a pair of testes alongwith accessory ducts, ______ and the external genitalia.
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The testes are situated outside the abdominal cavity within a pouch called ______ .
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The scrotum helps in maintaining the low temperature of the testes ( ______ lower than the normal internal body temperature) necessary for Spermatogenesis.
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In adults, each testis is ______ in shape, with a length of about 4 to 5 cm and a width of about 2 to 3 cm.
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The testis is covered by a dense covering. Each testis has about ______ compartments called ______ lobules
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Each lobule contains ______ to ______ highly coiled seminiferous tubules in which sperms are produced .
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Each seminiferous tubule is lined on its inside by two types of cells called male germ cells ( ______ ) and Sertoli cells
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The male germ cells undergo ______ divisions finally leading to sperm formation, while Sertoli cells provide nutrition to the germ cells.
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The regions outside the seminiferous tubules called interstitial spaces, contain small blood vessels and interstitial cells or ______ cell
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