Across
- 3. main organ of circulatory system
- 4. other name for voice box
- 7. the nasal cavity is located in the _____
- 8. your heart is the size of your _____
- 10. main organ of respiratory system
Down
- 1. the mouth cavity is located in the _____
- 2. we breath out _____
- 5. left ventricle, left _____
- 6. right atrium, right ________
- 9. we breath in ______