Answer:
Calcitonin stimulates the kidneys to absorb calcium when calcium levels are too low, while parathyroid hormone stimulates the kidneys to excrete calcium when calcium levels are too high.
Explanation:
<span>evolved from the same ancestor</span>
Answer:
Explanation: ........ I sent it...mm.. hope it helps...!! Good Luckkk
<span> Structure of cell membranes </span>