Across
- 5. contracts and flattens downwards during inspiration.
- 6. is popularly called “Adam’s apple”.
- 9. is the sound produced by vocal cords of the larynx.
- 10. acid is accumulated in anaerobic respiration.
- 12. centre controls breathing movements.
- 15. is a physical process in which atmospheric air is taken in and forced out of the oxygen absorbing organs, the lungs.
- 16. is a condition in which the blood becomes more venous by accumulation of more co2 and o2 supply is diminished.
Down
- 1. is the deficiency of oxygen reaching the tissues.
- 2. is the total lung capacity of our body.
- 3. contains less oxygen and more carbon dioxide.
- 4. respiration is slow and doesn’t produce co2.
- 7. is a vital process in all living organisms.
- 8. has nasal chambers.
- 11. turns milky when co2 comes in contact.
- 13. is an emergency activity of the muscle cells to produce extra heat to keep the body warm.
- 14. volume is the air which is breathed in and out in a normal quiet breathing.