Across
- 5. the force that blood exerts on the walls of the arteries
- 8. a blood vessel that carries blood away from the heart to the body's organs
- 10. the area of the throat contains the vocal cords and produces vocal sounds
- 11. a vessel that carries blood to the heart
- 13. any of the tiny air sacs of the lungs where oxygen and carbon dioxide are exchanged
- 15. a collection of organs that transports blood throughout the body
Down
- 1. the flow of blood from the heart to the lungs and back to the heart
- 2. the fluid that carries gases,nutrients, and wastes through the body and that is made up of platelets, white blood cells, red blood cells, and plasma
- 3. the exchange of oxygen and carbon dioxide between living cells and their environment
- 4. one of the two tubes that connect the lungs with the trachea
- 6. the flow of blood from the heart to all parts of the body and back to the heart
- 7. a collection of organs whose primary function is to take in oxygen and expel carbon dioxide
- 9. a tiny blood vessel that allows an exchange between blood and cells in tissue
- 12. the tube that connects the larynx to the lungs
- 14. the passage from the mouth to the larynx and esophagus