Cell membarin
Definition:
The cell membrane is a thin, flexible, living layer that surrounds the cell and controls what enters and leaves the cell.
Main Points:
It is also called the plasma membrane
It surrounds the cytoplasm of the cell
It is selectively permeable
Present in all living cells (plant and animal)
Helps the cell survive and work properly
Functions :
Protection – keeps the cell safe
Control – allows useful substances in and wastes out
Shape – helps the cell keep its shape
Balance – maintains balance inside the cell
Interesting Facts :
If the cell membrane breaks, the cell dies
It is so thin that it cannot be seen clearly without a microscope
It works like a smart security system for the cell
Fun Facts :
The cell membrane is flexible, not hard
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