Question

There are a lot of trace elements in human body that are involved in important roles. Please briefly explain the specific function of one of the following trace elements in Homo sapiens body: Boron (B), Chromium (Cr), Cobalt (Co), Copper (Cu), Fluorine (F), Manganese (Mn), Molybdenum (Mo), Selenium (Se), Silicon (Si), Tin (Sn), Vanadium (V), Zinc (Zn). You may mention involved cell/tissue/organ/organ system type, associated molecule, related physiological mechanism, disease caused by the deficiency of that element in your explanation. Pick only 1 element to explain the function of with 200 words.