The diagram shows a normal red blood cell and a shrunken red blood cell, both of which are in salt water. In which direction did the water move to make the red blood cell shrink? Why did water move in that direction?

they deliver oxygen to the blood

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 : )