Respiratory and Circulatory System
Across
- 3. fewer then normal amount of red blood cells
- 5. the longest word in the world
- 8. the tiny air sacs in the lungs
- 11. the gas needed for humans to live
- 12. platelets
- 13. the organ that pumps blood throughout the body
- 14. the valce the allows bllod tomover from the right artium to the right ventricle
- 15. blood that flows into and out of the right side of the heart
Down
- 1. pressure that keeps the lungs from collapsing (atalectasis) due to their natural elasticity.
- 2. the act of inhaling and exhaling
- 4. the red liquid in the body
- 6. white blood cells
- 7. the type of viens that the body that delievrs oxygented blood back to the heart
- 9. red blood cells
- 10. a condition where air is outside or around the lungs