Answer
6.a
Low blood [Ca++] triggers parathormone [PTH] release.
Work Step by Step
6.b
b. In hypothyroidism the bone loses too much calcium which results in osteoporosis (porous bones). Calcium lost from the bones may be deposited in other body structures such as knees, shoulders, breasts , skin or kidneys. Most calcium deposits are small and need no treatment. However, calcium deposits in the kidneys is dangerous as kidney stones is a serious malady that merits urgent medical attention.
