Cells
The building blocks for all forms of life are cells.
Explanation:
Cells are the basic building blocks of all life. The human body is made up of trillions of cells. They help in providing structure for the body, taking in nutrients from food, converting the nutrients into energy and carrying out specialized functions. Cells comprise of many parts and each of them performs specific functions. Some of these parts are called organelles and they are specialized structures which perform certain tasks within the cell.