Across
- 4. substance used to combat infection
- 5. receives oxygenated blood from the lungs and pumps it to the left ventricle
- 9. receives blood as it returns from body cells
- 10. five bones on each hand to form palm
- 12. receptors
- 14. touch, heat, cold, pain, and pressure
- 16. Partition or wall of cartilage divides nose into two hollow spaces called
- 18. the hands and soles of the feet
- 19. system All of the systems and organs depend on the
- 21. pushes blood into aorta so it can be carried to all parts of the body
- 23. Heart is divided into four parts, or
- 24. Prevents food and liquids from entering respiratory tract
- 25. which contract automatically
- 26. a type of leukocyte or white blood cell
Down
- 1. Areas where two or more bones join together
- 2. Protect the fingers and toes from injury
- 3. carry lymph
- 6. are made up of elastic fibers
- 7. Covers all body surfaces except the palms
- 8. Tough membrane covering outside of bones
- 11. Carries air between the pharynx and Bronchi Two divisions of trachea near the chest
- 13. Found in certain bones such as vertebrae, ribs, sternum, cranium, and proximal ends of humerus and femur
- 15. pushes blood into pulmonary artery so it can go to the lungs for oxygen
- 17. vessel passes through
- 20. that you contract when you want to move
- 22. Branches into trachea, which carries air to and from the lungs, and esophagus, tube that carries food to stomach