Across
- 1. tiny blood vessels
- 2. tube that carries urine from the bladder out of the body
- 4. the amount of air that the lungs are able to hold
- 5. muscular organ that pumps blood, part of the circulatory system.
- 7. organ, part of the respiratory system responsible for the exchange with the blood of oxygen and carbon dioxide
- 9. trachea, lungs, and bronchi; involved in breathing
- 12. blood vessels that carry blood away from the heart.
- 14. arteries, capillaries, and veins that carry blood to and from all parts of the body
- 15. blood vessels that carry blood back to the heart
- 16. tubes that carry urine from the kidneys to the bladder
- 17. process of air moving into and out of the body
- 18. large muscle between the chest and abdomen helps with breathing.
Down
- 1. heart, blood, and vessels that carry material to any from the cells
- 3. organ of excretory system that filters waste from the blood
- 6. known as the windpipe
- 8. heartbeat
- 10. kidneys, ureters, bladder and urethra eliminate some waste from the body.
- 11. liquid containing proteins, red cells, white cells, and platelets
- 13. an organ that stores urine
- 14. the tube that connect the trachea to the lungs
- 16. fluid formed in the kidney and eliminated through the urethra
- 19. tiny sacs in the lungs where oxygen enters the blood and carbon dioxide leaves the blood