The cell is a building block of both unicellular and multicellular organisms; all living things are made of cells.

All living things are made of cells and if you are living you have about 1,000,000,000 cells in our body work for different parts of our body. like we all have brain cells, bone cells, skin cells, and nerve cells. we can all lose and replace those cells except nerve cells. but these cells help us live and move and thinkl.