The correct answer is A, parathyroid gland.
The parathyroid hormone is secreted by the parathyroid gland which <span>inhibits osteoblasts, stimulates osteoclasts,</span> reduces the calcium output by the kidneys and promotes absorption of the calcium by the small intestines. Calcitonin, secreted by the thyroid gland, also works to a similar effect.
2 or more different atoms are combined in definite proportions in any compound.
AARP. Which legitimately American Association of Retired Persons
. Which honestly speaks for itself. This groups has stood for 10 years and helps many today.