Bone marrow!!
it stores calcium
red blood cell
the smooth endoplasmic reticulum
Calcium is stored in bones, with a smaller amount in the blood, and in each cell.
it produces energy and stores tanks of calcium ions.
Cell damage
They build bone matter using Calcium in the blood.
Blood in, blood out.
makes and stores energy as ATP. Is the "powerplant" of a cell
In the blood, their presence makes blood red.
spleen?
The endoplasmic reticulum is the organelle that stores calcium and is considered the cell's membrane factory. It plays a crucial role in protein and lipid synthesis as well as detoxification processes in the cell.