Smallest unit of life
- A cell is the smallest structure that can perform all life processes like:
- Respiration (breathing at cellular level)
- Digestion
- Growth
All living organisms are made of cells
- Every living thing is made up of cells:
- Unicellular organisms only one cell (e.g., Amoeba)
- Multicellular organisms many cells (e.g., humans, plants)
This means cells are the building blocks of life.
Cells perform all vital functions
- All life activities happen inside cells, such as:
- Energy production
- Removal of waste
- Making new cells
- Every living thing is made up of cells:
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