Answer :
Final answer:
The skin synthesizes Vitamin D when exposed to UV radiation, playing a crucial role in calcium absorption and bone health.
Explanation:
Vitamin D is synthesized by the skin when exposed to UV radiation. It goes through a process in the skin, liver, and kidneys to become the active form, calcitriol, which is essential for calcium absorption and bone health. However, most people also need dietary sources of vitamin D as the amount synthesized may not be sufficient.
Learn more about Vitamin D synthesis by the skin here:
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