Across
- 3. system^ system to transport stuff through the body
- 4. Branches of the Trachea that directs air into the lungs
- 6. artery^ The artery carrying oxygenated blood from heart to the lungs
- 9. system^ the system responsible for helping you breathe
- 10. Tiny air sacs in the lungs where gas exchange occurs
- 11. The main muscle responsible for breathing
- 14. blood vessels that carries blood to the heart
Down
- 1. The windpipe that carries air from nose and mouth to the lungs
- 2. the central organ of circulation
- 3. Tiny blood vessels where gas and nutrients exchange occurs
- 5. the gas essential for cellular respiration
- 7. Dioxide^ a waste product of metabolism exhaled through the lungs
- 8. the liquid portion of blood that carries nutrients
- 12. blood vessels that carries blood away from heart
- 13. The largest artery, carrying oxygenated blood from the heart to body