Q.10:- Cell is the basic unit of life. Discuss in brief.
Every animal or plant is made of many systems. Every system is made of many organs. Organs are made of many types of tissues and tissues are made of many cells. A cell is an autonomous structure and is capable of carrying out various functions on its own. A cell can do all an organism can do. In a sense cell is full of life at the minutest possible level. That is why a cell is called the basic unit of life.