- TASK 1: Fill in the Blanks
1. Larynx
2. Pharynx
3. Trachea
4. Bronchi
5. Alveoli
6. Diaphragm
7. Oxygen
8. Carbon dioxide
9. Respiration
10. Inhalation
11. Exhalation
- TASK 2: Diagram Analysis
1. Nasal cavity
2. Pharynx
3. Larynx
4. Trachea
5. Bronchi
6. Bronchioles
7. Alveoli
8. Diaphragm
9. Right lung
10. Left lung
- TASK 3: Crossword
ACROSS
2. Larynx
4. Pharynx
6. Trachea
8. Bronchi
10. Alveoli
12. Diaphragm
14. Oxygen
16. Carbon dioxide
18. Respiration
20. Inhalation
22. Exhalation
DOWN
1. Nasal cavity
3. Epiglottis
5. Cilia
7. Mucus
9. Capillaries
11. Hemoglobin
13. Thoracic cavity
15. Rib cage
17. Pulmonary
19. Ventilation
21. Gas exchange
Parent Tip: Review the logic above to help your child master the concept of the respiratory system worksheet answers.