Across
- 3. wasting away of the muscle through lack of use
- 9. also known as high blood pressure
- 13. the higher blood pressure; occurs during contraction of the ventricles
- 14. a cardiovascular condition "hardening of the arteries"
- 16. the nerve cells of the body
- 17. body's largest internal organ
- 18. gland that is considered the "master" gland
Down
- 1. bands of connective tissue joining bones together
- 2. relay signals from the central nervous system to the body
- 4. thick bundle of nerves through which the brain communicates with the body
- 5. respiratory disorder that causes inflammation of the lungs
- 6. cells designed to search and destroy things that are not part of the body
- 7. inflammation of the liver
- 8. disorder of the endocrine system; body's inability to regulate sugar
- 10. circulation or flow of blood from heart to lungs and back to heart
- 11. substance that stimulates the immune system to develop an acquired immunity
- 12. tumor that shows no tendency to spread in the body
- 15. largest part of the brain