Cardiovascular and Respiratory System Crossword
Across
- 2. The force that blood exerts on the walls of the arteries
- 5. The upper chambers of the heart
- 8. Blood vessels that carry blood to the heart
- 11. A collection of organs that transports blood throughout the body
- 13. A collection of organs whose primary function is to take in oxygen and expel carbon dioxide
- 14. The exchange of oxygen and carbon dioxide between living cells and their environment, which includes breathing and cellular respiration
Down
- 1. The circulation of blood between your heart and lungs
- 3. When oxygen is used by cells to release energy stored in molecules of the sugar glucose
- 4. A tiny blood vessel that allows an exchange between blood and cells in tissue
- 6. Blood vessels that carry blood away from the heart
- 7. The circulation of blood between your heart and the rest of your body
- 8. Flaplike structures that open and close to prevent blood from flowing backward
- 9. An organ that pumps blood throughout the body
- 10. The fluid that carries gases, nutrients, and waste through the body and it is made up of platelets, white blood cells, red blood cells, and plasma
- 12. The lower chambers of the heart