Pluto has a shape that is nearly round, and it orbits the sun. it has five known moons. why is it called a dwarf planet and not a planet? a. it is too far from the sun. b. its orbit is not cleared of like-sized or larger objects. c. it is not large enough in size. d. it does not have rings.

C. is the answer to the question

a. suckling by young

b. hypothalamus

c. dopamine

d. trh

e. anterior pituitary

f. mammary glands

g. milk production

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.

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