Explain the main function of cell wall in plant and animal cells

Explanation

### Step-by-Step Solution:

1. **Definition of Cell Wall**:
- The cell wall is a rigid outer layer that surrounds the cell membrane in plant cells. It is primarily composed of cellulose.

2. **Function of Cell Wall in Plant Cells**:
- The main functions of the cell wall in plant cells include:
- **Protection**: It protects the plant cells from mechanical damage and osmotic stress.
...