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What is True statement about Ca++ absorption from intestines is:- and explain in detail?
Calcium ions are actively absorbed into the blood, especially from the duodenum, and the amount of Ca++ ion absorption is exactly controlled to supply the daily need of the body for calcium. One impoant factor controlling Ca++ absorption : Parathyroid hormone Vitamin - D. PTH - (+) vitamin D (PTH activates vitamin D, & the activated vitamin D in turn greatly enhances Ca++ absorption).