Cells
WHAT IS cells?
A cell is the smallest living unit of the body that can perform all life functions such as growth, energy use, and reproduction.
MAIN DETAILS ABOUT CELLS
1. Cells are the smallest units of life
Everything living is made of cells.
2. Cells help us grow and repair
Old cells die and new cells are made.
3. Cells need food and oxygen
They use them to make energy.
4. Cells have different shapes and jobs
Each cell type does a special work in the body.
IMPORTANT POINTS
1. Cells are the basic building blocks of all living things.
2. All cells come from pre-existing cells.
3. Cells have parts like nucleus, cytoplasm, and membrane.
4. Cells carry genetic information (DNA).
5. Cells work together to form tissues and organs.
EXAMPLES OF CELLS
1. Red blood cells – carry oxygen.
2. Nerve cells – carry messages.
3. Muscle cells – help in movement.
4. Skin cells – protect the body.
5. Bone cells – make bones strong.