How does your heart increase in strength during strenuous exercises?

the eggs of the insects should be the first thing collected at the scene.

false

b. lithosphere, asthenosphere, mesosphere   is the answer most likely

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 : )