Answer: Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. ... Cells have many parts, each with a different function. Some of these parts, called organelles, are specialized structures that perform certain tasks within the cell.
Explanation:
When levels decrease, the parathyroid releases hormones.
The class of macromolecule a steroid belongs to is a lipid.
The answer is Glycogen, hope this helps
