Cells are the basic fundamental and functional unit of life. They are also known as building blocks. It is cell which combines to form tissues and tissues to organ and ogans to organ system and organ systems to organism.
Similarly bricks combine to form walls and walls to building.
They are different as cells form living organism and bricks form non living organism. Cell can divide but a brick cannot divide. The constituents of cell are its cell organelles and the constituents of brick are soil etc.
