Skeletal system

2. Forearm bone located on the thumb side.
3. Long bone found in the upper arm.
8. Movement that decreases the angle between two bones at a joint.
12. Flat bone located in the centre of the chest.
13. A freely movable joint containing a fluid-filled joint cavity.
14. Bone commonly called the kneecap.
15. Group of bones found in the ankle.
18. Bones found in the fingers and toes.
20. Forearm bone located on the little-finger side.
21. Bone that protects the brain.
23. Skeletal function in which bones shield delicate internal organs from injury.
24. Type of joint that allows movement mainly in one plane, such as the elbow.
25. Tough, flexible connective tissue that reduces friction at joints.
26. Bones found between the wrist and fingers.
27. Type of involuntary muscle found only in the heart.

1. Type of joint that allows little or no movement.
4. Voluntary muscle attached to bones and responsible for movement.
5. Movement that increases the angle between two bones at a joint.
6. Longest and strongest bone in the human body.
7. Thinner bone found in the lower leg.
9. Tough connective tissue that joins bone to bone.
10. Movement of the entire body from one place to another.
11. Larger of the two bones in the lower leg.
13. Involuntary muscle found in organs such as the stomach and intestines.
16. Skeletal function that provides the body's framework and helps maintain its shape.
17. Group of bones found in the wrist.
19. Flat bone commonly called the shoulder blade.
22. Tough connective tissue that joins muscle to bone.
26. Bones found between the ankle and toes.
27. Bone commonly called the collarbone.