me File Edit View History Bookmarks People Window Help Secure Login The Muscular

Question

me File Edit View History Bookmarks People Window Help Secure Login The Muscular System: The Ne x D Module 3 Interactive Homewo x tpx Complete each sentence by dragging the proper word or phrase into the appropriate position. Then place each sentence in the o follicle cells inhibits osteoclasts and When levels of blood calcium increase in children, calcitonin is released from the _ of the thyroid gland. _ C cells stimulates osteoclasts and inhibits This circulating calcitoninwithin minutes. increase The effects on osteoclasts cause a decrease in bone resorption and a concurrent in bone deposition due to the activity of osteoblasts. inhibits osteoclasts and stimulates osteoblasts The decline in bone breakdown and increased mineralization causes blood calcium to back to normal levels stimulates osteoblasts and osteoclasts decrease in adults JReset 80 FT F3 FS 17

Explanation / Answer

Blood calcium levels are regulated by both parathyroid and thyroid glands. Parathyroid gland secretes parathormone which helps in bone resorption, increasing the blood calcium levels. The follicle cells of thyroid produce calcitonin which reverses the action of parathyroid hormone. The calcitonin inhibits the osteoclasts and stimulates osteoblasts. Osteoclasts are involved in resorption of bone whereas osteoblasts aids in bone deposition. With inhibition of osteoclasts and stimulation of osteoblasts, blood calcium level is reduced to normal level.

So, going on to the question,

1. Follicle cells.

2. Inhibits osteoclasts and stimulates osteoblasts.

3. Increase.

4. Decrease.

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