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Cells are the basic building blocks of all living things. Cell is a structural and functional unit of living organisms.

Cells may be compared to bricks. Bricks are assembled to make a building. Similarly, cells are assembled to make the body of every organism. All organisms are made up of cells.

All basic chemical and physiological functions of living beings – for example, repair, growth, movement, immunity, communication, and digestion etc are carried out inside the cells.

Cell Structure

Basic cell contains:

1. Cell membrane

The outermost membrane of the cell is called as cell membrane.

2. Protoplasm

Everything that is present in the cell except cell membrane comes under protoplasm. Protoplasm is living material of cell. Or the entire content of living cells including cytoplasm and nucleus is known as protoplasm.

Protoplasm is further divided into two parts:

Cytoplasm

Nucleus