Across
- 2. hollow muscular organ that pumps the blood through the circulatory system.
- 5. This is the part that carries oxygenated blood away from the heart and to other parts of the body.
- 7. the two air tubes that branch off of from the trachea and carry atmospheric air directly into the lungs.
- 9. blood vessels that form a network between the arterioles and venules.
- 11. a gelatinous or semisolid mass of coagulated blood.
- 14. The main organ of the respiratory system
- 15. the muscular-walled tubes forming part of the circulation system by which blood
Down
- 1. the nasal passage and other regions of the respiratory tract.
- 3. This part of the cycle carries oxygen-depleted blood away from the heart
- 4. circulation This type of circulation provides the heart with oxygenated blood so it can function properly.
- 6. tubes forming part of the blood circulation system of the body
- 8. the tiny sac like structure present in the lungs
- 10. breathing begins with a dome-shaped muscle located at the bottom
- 12. filters the air we inhale and branches into the bronchi.
- 13. transport media of nearly everything within the body. It transports hormones, nutrients, oxygen, antibodies, and other important things needed to keep the body healthy.