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:
Answer:
The appendicular skeleton supports the attachment and functions of the upper and lower limbs of the human body.
Answer:
hemoglobin
Explanation:
molecules has four blinding sights for oxygen molecules
C, It causes the cell membrane to rupture.
