Body Systems Crossword

4. Loss of bone tissue particularly in the elderly.
5. Tendons get inflamed or irritated most common in wrists, elbows, shoulders and heels causing pain and swelling.
7. Muscle fibers run perpendicular to midline
8. Can change in response to how it's used.
11. A flap of elastic cartilage attached to the larynx that closes when food passes by.
16. Sends blood to the rest of the body and back to the heart.
17. Abnormal heart rate
18. A sheet of internal skeletal muscle that extends across the bottom of the thoracic cavity.
19. The air sacs at the end of the bronchioles where the gas exchange takes place.
20. Attach muscle to bone

1. Returns blood from the upper body.
2. Congenital disorder that affects the posture, balance, and motor functions.
3. Internal Skeleton of animals which is comprised of bone and cartilage.
6. The main artery of the heart carrying oxygenated blood to all parts of the body except the lungs.
9. Sends blood from the heart to the lungs and back.
10. Attach bone to bone
12. Side to side curve in the spine becomes evident during adolescence.
13. Returns blood from the lower body.
14. Able to return to resting shape after being contracted or extended.
15. Found inside bones and is lighter and less dense than compact bone because it is porous.