Synthesized by the combined action of the skin,kidneys,and liver,_________ is important to the deposition of bone.
A) growth hormone
B) testosterone
C) estrogen
D) calcitonin
E) calcitriol

Question

Quizplus · Accepted Answer

Calcitriol is synthesized by the skin in response to UV radiation, by the kidneys to activate vitamin D, and by the liver to convert it to its active form. It is important for calcium and phosphorus absorption in the intestines, and it also stimulates osteoblasts, which are responsible for bone deposition.

Synthesized by the Combined Action of the Skin,kidneys,and Liver,_________ Is