Across
- 1. relaxation of the heart
- 5. processmicroscopiching
- 8. moving away from the midline
- 11. moving around a central axis; turning
- 13. increasing the angle between two parts
- 14. contraction of the heart
- 15. the throat
Down
- 2. microspic air sacs in lungs
- 3. voice box
- 4. small branches of the bronchi
- 6. moving toward the midline
- 7. breathing in, taking air into the lungs
- 9. windpipe from larynx to bronchi
- 10. hairlike projection
- 12. a serous membrane that covers lungs