Regulation of Blood Calcium via PTH and Calcitonin
![](https://i.ytimg.com/vi/FokqeUi9hPs/mqdefault.jpg)
18:54
Anatomy | The Human Skull
![](https://i.ytimg.com/vi/y64aXKCkHk4/mqdefault.jpg)
35:03
Endocrinology | Parathyroid Gland | Calcitonin
![](https://i.ytimg.com/vi/nQHcRqxNt2E/mqdefault.jpg)
11:45
Functions of Osteoblasts & Osteocytes | Organization of the Osteon
![](https://i.ytimg.com/vi/nko-JXU-c28/mqdefault.jpg)
4:37
Hypercalcemia - Too Much Calcium, Animation
![](https://i.ytimg.com/vi/7Hk9jct2ozY/mqdefault.jpg)
7:20
DNA animation (2002-2014) by Drew Berry and Etsuko Uno wehi.tv #ScienceArt
![](https://i.ytimg.com/vi/f2w9zHtteiQ/mqdefault.jpg)
25:52
HIV infeksiyonu tarihe mi karışıyor? | Lenacapavir tedavisi
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12:43
Vitamin D Physiology | Calcitriol | Calcium Regulation | Endocrine Physiology | Biochemistry
![](https://i.ytimg.com/vi/jkclT3U5vKY/mqdefault.jpg)
9:43