Question

1. What is skeletal system?
2. What are the main functions of the skeleton?
3. What is a joint? How can you classify them on the basis of the movements they allow?
4. Which of the skull bones are movable? ​

Answer 1

Answer:

In anatomy, the mandible, lower jaw or jawbone is the largest, strongest and lowest bone in the human facial skeleton. It forms the lower jaw and holds the lower teeth in place. The mandible sits beneath the maxilla. It is the only movable bone of the skull (discounting the ossicles of the middle ear).

Answer 2

1. The human skeleton is the internal framework of the human body.

2. support to body

protection of inner organs

body posture

3. joint is defined as a connection between two bones in the skeletal system.

Joints can be classified by the type of the tissue present (fibrous, cartilaginous or synovial), or by the degree of movement permitted (synarthrosis, amphiarthrosis or diarthrosis).

4. There is only one movable joint in the skull. That is the joint connecting the lower jaw, or mandible, to the rest of the skull. All the other bones in the skull are firmly attached to one another by sutures.

Hope that helps