miércoles, 2 de noviembre de 2011

JOINTS

Joints are the places where two bones meet.
There are:

- Fixed joints, such as the skull.

-Movable joints, such as the knee or elbow.

-Gliding joints, such as between vertebrae.

The ends of the bones are covered with flexible tissue called cartilage. The bones of a joint are connected by strong elastic tissues called ligaments.

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