If a person's parathyroids are responding properly to a drop in blood calcium, which of the following should result?a. Parathyroid mediated feedback to hypocalcemia. b.Vitamin D levels in the blood will drop. c. Bone mass and density will increase. d. Less calcium will be excreted in the urine by the kidneys. e. More calcium will be present in feces.

The correct answer is "D" Less calcium will be excreted in the urine by the kidneys.

Explanation:

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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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multiply it by 5 in order for you to understand i cant give an exact answer.