Across
- 2. A small cavity,pit,or hole
- 7. Affection of organs
- 8. Red liquid that circulates in the arteries and veins
- 10. Muscular - walled tubes forming part of the circulation system
- 12. Lymph drains tissues into the blood
- 13. Cavity behind the nose and mouth
Down
- 1. Blood vessels that form a network between arteriols and venules
- 3. Blood Vessel
- 4. The voice box
- 5. An organ system that encompasses the heart and blood vessels
- 6. bronchus
- 9. Tubes reinforced by Rings of cartlege
- 11. A colorless fluid white blood cells
- 12. Number of small swellings in lymphanic system