What tissue secretes the hormone calcitonin & specifically what does this hormone stimulate at the kidneys, at bone tissue & at the intestines?
Answer : parafollicular cells / tissue of the thyroid gland secrete hormone calcitonin that reduces the concentration of blood calcium level when it has risen to an above normal range .
At kidney : calcitonin Decrease calcium reabsorption by nephron result in deacrese blood calcium level
At bone tissue : calcitonin increases the proceeds of osteoblast ( bone formation) that result in deacreses blood calcium and keep the blood calcium at normal range .
At intestine :The site where most of the Nutrients and Calcium are absorbed into your body, calcitonin inhibit the absorption of calcium...Thanks dear student
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