Across
- 1. Extremities (arms and legs)
- 3. Spleen, thymus, tonsils
- 5. Main tissue of the skin
- 9. Skull, vertebrae,ribs and sternum
- 11. True skin, connecting skin to muscles
- 12. Tissue which connects and controls cells
- 14. Ability to contract
- 15. Outer most layer of skin
- 16. Innermost layer of the heart
- 17. When a muscle is slightly movable
- 20. When a muscle is freely movable
- 22. Ability to return to original form
- 26. Acquired during fetal development
- 28. Covers outside of the heart
- 29. Exchange of O2 & CO2 with lungs and blood
- 30. vessels Arteries, veins, capillaries
- 31. Tube carries air from pharynx to bronchi
- 33. System responsible for exchange of O2&CO2
- 34. Produce hormones and are present in skin
- 35. Two lower chambers of the heart
Down
- 2. Structure that closes the larynx
- 4. Ability to be stretched
- 6. Skin pigmentation cells
- 7. System which allows for movement
- 8. Rich network of blood capillaries
- 10. Purify lymph
- 13. Ability to respond to nerve impulses
- 18. When muscle fibers release tension
- 19. Exchange of O2 & CO2 with cells and blood
- 21. System which secretes oils
- 23. Few or no blood cells
- 24. When a muscle is immovable
- 25. Two upper chambers of the heart
- 26. System which transports blood
- 27. Vein which carries oxygenated blood
- 32. Cartilage which lines two bones together