Homeostasis of calcium levels in the blood is crucial to lif…

Homeostasis of calcium levels in the blood is crucial to life. Increase in calcium levels in the blood will bring about a release of a hormone which will then return the calcium levels back to normal.   A. Specify a hormone involved in decreasing calcium levels in blood. Which hormone is said to be antagonistic to it? (1 pts.)   B. Which cell and which gland is responsible for the production of hormone which decreases calcium levels in the blood? (1 pts.)   C. Explain THREE ways in which this hormone lowers calcium levels in the blood (3 pts.).