Across
- 2. delicate blood vessels that deliver nutrients and oxygen to cells throughout your body
- 7. A fluid-filled cavity in the heart or brain.
- 10. comes from the heart
- 11. distribute oxygen-rich blood to your body
- 13. an important heat-trapping gas, also known as a greenhouse gas
- 14. small, colorless cell fragments in our blood that form clots and stop or prevent bleeding
Down
- 1. fight infections
- 3. colorless, odorless and tasteless gas.
- 4. The circulatory system is made up of the heart and blood vessels working together
- 5. cells what carrys oxygen in your blood
- 6. a type of high blood pressure that affects the arteries in the lungs and the right side of the heart.
- 8. pumps blood
- 9. the fourth state of matter after solid, liquid, and gas.
- 12. blood vessels