Identify the joints present in Knee joint

Explanation

### Step-by-Step Solution:

1. **Understanding the Knee Joint**: The knee joint is a crucial part of the human body that allows movement and provides support. It connects the thigh bone (femur) to the shin bone (tibia).

2. **Identifying the Type of Joint**: The knee joint primarily allows movement in one direction, similar to how a door opens and closes. This characteristic is essential in identifying the type of joint.

3. **Classifying the Joint**: Based on its movement, the knee joint is classified as a **hinge joint**. Hinge joints permit bending and straightening motions, just like a door.

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