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What are the Joints?
A joint is a connection between two or more bones that holds them together and lets them move. It allows the skeletal system to work as a whole.
There are three main types of joints in the human body: 1.Immovable Joints: These joints are stiff and fixed, so two or more bones that are close together can't move. For example, skull bones.
2. Slightly Moveable: These joints are called cartilaginous joints because cartilage holds the bones together at the joint. It means that two or more bones are stuck together so tightly that they don't move much. But it is less stable than joints that don't move. For example, vertebrae in the spine.
3. Movable: Also called synovial joints, these joints have synovial fluid in the space between the bones that connect them. This fluid makes it possible for all the parts of the joint to move smoothly against each other.
For example, the knee, elbow, shoulder, hip, and wrist.
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