THE FUNDAMENTAL UNIT OF LIFE

• A Cell is the smallest and basic unit of life.A Cell is not visible to the naked eyes because of its minute size. A cell can have different shapes and sizes with in the same organism posseses different types of cells.
• It is the unit of living things though in higher organisms cells differentiate into different types specialising in different functions. So, the entire functioning of the living organisms begins from the basic unit called cell. Hence, cell is called the fundamental unit of life.
• The smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm. The cell membrane surrounds the cell and controls the substances that go into and out of the cell..