Question

multiple choice question
calcitonin ______ blood calcium by inhibiting osteoclast activity.
o increases
o lowers

Explanation:

Calcitonin is a hormone that reduces blood - calcium levels. Osteoclasts break down bone and release calcium into the blood. By inhibiting osteoclast activity, calcitonin decreases the amount of calcium released into the blood, thus lowering blood calcium levels.

Answer:

lowerers