Across
- 3. Type of respiration in human beings
- 7. Respiratory organs in pulmonary respiration
- 8. Type of respiration observed in hydra
- 10. Respiratory organs involved in branchial respiration
- 11. An insect which has tracheal respiratory system.
- 12. Respiratory organ involved in cutaneous respiration
Down
- 1. An animal which can perform both pulmonary and cutaneous respiration.
- 2. Site of respiratory reactions in prokaryotic cells
- 4. Type of respiration observed in earthworm
- 5. Oxygen binding factor in blood
- 6. Respiration takes place in presence of oxygen
- 9. Brachial respiratory system observed in....