Il Read each sentence. Write YES if it correct and NO if not. Write your answer on your answer sheet. 16. Lungs are air-filled organs located on either side of the chest 17. Nose is a part where the air that we inhale enters and carries out the air that we exhale 18. Mouth is part of the mucous membrane that helps keep nose moist 19. A windpipe is a tube that is about 10 inches long 20. Air sacs are tiny sacs inside the lungs 21. Bronchi run from the back of your nose down to your neck 22. Voice box plays an essential role in human speech 23. Bronchioles are part of the nervous system 24. Mouth is part of the respiratory system of the body 25. Diaphragm contracts and flattens when human inhale