The book Health And Safety was written by author Frances Gulick Jewett Here you can read free online of Health And Safety book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Health And Safety a good or bad book?
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What warning do we get from the nose? 3. Describe the tear tube. 4. Describe the lining of the nose. 5 What do the mucous glands do? 6. In what way does the damp mucus of the nose help the lungs? 7- Give three reasons for breathing through the nose. 8. Why is it better to have damp air in a room? 9. How can we keep the air in a room damp in winter? 10. Give rules for the health of the nose. Describe adenoids. CHAPTER XXVI OUR LUNGS If your clothes are very loose around the waist, take a long, d...eep breath and see what happens. Your ribs rise higher and higher; you get larger around the chest; your waist is bigger. While you are doing this you really feel as if you were working with your body. And so you are: your muscles are pulling up the ribs and you are stretching out the lungs with the air you put into them. In fact, our lungs are like a pair of useful bellows: we pull up the ribs and the air rushes in ; we drop them down and the air streams out of the nose and mouth. These wonderful bellows work day and night, when we are asleep and when we are awake, from the time we are born until we die; but how little we think about them !
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