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๐ฌ Think about it
Think of your home. It has walls, a door, and rooms inside. The door decides who comes in and goes out. A cell also has a boundary that controls what enters and leaves. Let us see how this boundary works.
Why must cells interact with their surroundings?
- Cells form tissues and organs that work as units.
- To work, they must interact with each other and surroundings.
- This exchange happens at the cell boundary.
- Even single-celled organisms respond to their environment.
