Cartilage is present in the joints of our body, which helps in their smooth movement. With advancing age, this cartilage wears off. How would this affect the movement of joints?

Cartilage is present in the joints of our body which helps in reducing the friction and causes a smooth movement. As the age increases, the cartilage become less effective.

⇒ Due to which the force of friction increases.

⇒ As the force of friction increases, means that smoothness of movement decreases.

⇒ As a result, the movement of joint become difficult which leads to pain in joints.