The skin synthesizes a precursor of CALCITRIOL in response to UV radiation in sunlight.
Calcitriol is also called Vitamin D3; it is the hormonally active metabolite of Vitamin D. It is used as drug to treat bone disorder, hyperthyroidism and calcium deficiency.
Answer:
the answer is D
Explanation:
thx to the dude who commented on that awful answer
A. Mass extinction is the answer
Practicing three point shots to improve free throw accuracy contradicts the SPECIFICITY principle of exercise.
The specificity principle of exercise states that, to become an expert in a particular exercise or skill one should perform that exercise or skill. That is, the things that one do during physical activity should be relevant to one desired outcomes, thus, the training regimen must go from general to specific during training.
Overall, minerals from animal products are better absorbed than those from plant because binders such as fiber are not present to hinder absorption.
