Across
- 2. it is a part of the respiratory system, contains hairs and mucous membrane.
- 3. these are the functional units of lungs, surrounded by Capillaries.
- 6. these are present in matured stems & branches & perform transpiration.
- 9. the special roots seen in the trees growing in wet lands & help to take the atmospheric oxygen.
- 10. it is the common part of both Digestive & Respiratory systems.
Down
- 1. the trees growing in the wet lands develop special roots for transpiration.
- 4. it is also called as vocal box, contains vocal cords.
- 5. it is present at the floor of the chest cavity & plays key role in male's breathing process.
- 7. a scientist, found the air we breat-out can convert the lime water in to milky white solution.
- 8. it is the main wind pipe in respiratory system to allow the air movements.