Calcitonin is ahormone that is poduced in humans by the parafollicular cells (other wise known as c-cells) of the thyroid gland. Therefore, inhibition of the osteoclasts directly reuces the amount the amount of calcium released into the human blood. This is just a simple explanation so now all you have to do is understand what will happen when you combine calcitonin and parathyroid.
Answer:
<h2>I think it's letter B</h2>
because if you treat the first affected person then you can ensure that the disease is not around and the community got rid of it.
Explanation:
uneven heating of Earth's surface. warm air sinking while cold air rises
