Across
- 3. the liquid that keeps blood moving
- 6. cells whose main function is to transport nutrients to cells and remove waste from cells
- 7. cardiac muscle that pumps blood throughout the body
- 8. blood vessels where the oxygen and carbon dioxide exchange occurs
- 11. The tiny branches in the lungs that have alveoli attached to the ends
- 16. main function is to filter foreign substances from the blood such as cancer cells and infections
- 19. cells whose main function is to fight off foreign pathogens
- 20. blood vessels that carry oxygen from the lungs to the heart and then to the body
- 21. part of the blood responsible for blood clotting
- 23. main function is to mature T-cells
Down
- 1. located in the center of the bone and it produces white blood cells
- 2. The tube that oxygen travels through to get from the nose to the lungs and carbon dioxide travels through it to get from the lungs to the nose and out of the body
- 4. blood vessels that carry carbon dioxide to the heart and then lungs
- 5. Tiny, balloon-shaped air sacs located at the ends of the bronchioles where oxygen is put into the blood and carbon dioxide is removed from the blood
- 9. system that is responsible for fighting off pathogens if they get into the body
- 10. Muscle that is responsible for moving the lungs to expand and contract
- 12. place where oxygen enters the body and carbon dioxide exits the body
- 13. main function is to filter blood by removing dead or damaged blood cells
- 14. the tubes that split from the trachea and into each lung
- 15. system that is responsible for circulating the blood throughout the body
- 17. the fluid in the body made up of red blood cells, white blood cells, plasma, and platelets
- 18. system that is responsible for bringing oxygen into the blood and removing carbon dioxide from the blood and out of the body
- 22. Two organs located in the chest whose primary function is to add oxygen and remove carbon dioxide in the blood