Across
- 2. The bridge between the mouth and stomach
- 4. Allows air to go in and out the lungs
- 6. Upper section of the heart
- 10. A blood cell that fights disease
- 12. Airways in the lungs that connect the bronchi and the alveoli
- 13. Tiny thumb shaped structures that cover the inner surface of the small intestine
- 14. A blood vessel that takes blood from the hear
- 15. Lower section of the heart
Down
- 1. The little filter that blood filters through
- 3. Smallest blood vessel and the bridge between veins and arteries
- 5. Tiny sacs of the lung that move the gases between air and blood
- 7. A cell part that is important for making scabs
- 8. Fluid in the blood
- 9. A blood vessel that takes blood to the heart.
- 11. The entries that direct air into your lungs