What is a joint? How can you classify joints on the basis of the type of movement they allow?

Explanation

### Step-by-Step Solution

1. **Definition of a Joint**:
A joint is a point where two bones meet. It serves as a connection between the bones, allowing for various types of movement.

2. **Classification of Joints**:
Joints can be classified based on the type of movement they allow. There are three main types of joints:

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