Hypovolemia is a condition in which a person has low levels of blood volume in their body. which might be a reason for hypovolemia?
a) poor diet
b) dehydration
c) arteriosclerosis
d) lack of exercise

B. dehyrdation because without water, your body loses energy to make blood cells

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.

and after water is usually warmed by the sun the water temperature raises and then evaporates .