What three structures, in order, are involved of the production of mature sperm?

testis,seminiferous tubules and sertoli cells

Explanation:

Testis contains numerous seminiferous tubules where spermatogenesis( manufacture of sperms) takes place. It also contains sertoli cells which nourish sperms until they are mature.

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.