Across
- 3. small cavity, pit, or hole
- 7. the cavity behind the nose and mouth
- 10. the voice box
- 12. affection of organs
- 14. the network of vessels through which lymph drains from the tissues into the blood
Down
- 1. blood vessel
- 2. plural form of bronchus
- 4. number of small swellings in lymphatic system
- 5. colorless fluid containing white blood cells
- 6. blood vessels that form a network between the arterioles and venules
- 8. muscular wall tubes forming part of the circulation system
- 9. an organ system that encompasses the heart and blood vessels
- 11. tube reinforced by tubes of cartilage
- 13. the red liquid that circulates in the arteries or veins