Human Skeleton

The human skeleton is made up of over (1) bones.
Its main function is to give the body  (2) and allow  (3).
Bones are connected to each other by (4).
Where two or more bones meet, we find  (5) which allow movement.
The two main parts of the skeleton are the axial skeleton and the  (6) skeleton.

There are four main types of bones: (1), short, flat and irregular.
Examples of long bones include the (2) and tibia.
Joints can be fixed, slightly moveable, or (3).
A ball-and-socket joint allows movement in (4) directions.
The knee is an example of a (5) joint.
 (6) between bones during movement.

The skeleton provides (1) for the body and protects vital organs.
For example, the skull protects the (2).
The ribs protect the heart and (3).
Bone marrow inside long bones makes (4) cells.
Minerals such as (5) are stored in bones.
Muscles are attached to bones by (6).