Skeletal System

3. A flat triangular bone located at the front of the knee joint. Also called kneecap. Protects and covers the knee joint.
5. Tough inelastic bands that hold attach muscle to bone.
8. The uppermost and largest bone of the pelvis. It is often referred to as the hip bone.
10. Located on the thumb side of the forearm. The forearm bone of the hand.
12. Disease of the skeletal system, particularly among the elderly, resulting in the loss of bone tissue.
13. Also referred to as the skull. Supports the structures of the face and protects the head from injury.
14. Forms the lower jaw and holds the lower teeth in place.
16. The upper arm bone. The longest and largest bone of the upper body.
17. A disease that will damage joints and their surrounding structures.
19. Side-to-side curve in the back or spine, often creating a pronounced "C" or "S" shape.

1. A doubly curved short bone that connects the upper arm (at the shoulder) to the body, right above the first rib. Also known as the collar bone.
2. Located on the little finger side of the forearm. Forearm bone of the elbow.
4. The thigh bone, extending from the hip to the knee. It is the largest, and strongest bone of the body.
5. Second largest bone in the body. Located on the inside of the lower leg. It connects the knee with the ankle bones. It is also known as the shin bone.
6. The bone, located on the upper back, that connects the humerus with the clavicle. Often referred to as the shoulder blade.
7. Mineral that strengthens bones and teeth.
9. A long flat bone in the middle of the chest. Supports the clavicle. Along with the ribs, form the rib cage that protects the heart, lungs, and major blood vessels from damage.
11. Number of bones in the body
15. Long curved bones which, along with the sternum, form a cage. They enable the lungs to expand and they also protect the lungs, heart and other internal organs.
18. Located on the outer side of the lower leg. It is smaller than the tibia and attaches below the tibia and forms the outer part of the ankle joint.
20. A large bone that is located at the base of the spine and at the upper back part of the pelvis where it is inserted between the two hip bones or two Iliums.