Physiology and Health Volume 1

Physiology and Health Volume 1

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 edition. Excerpt: ...get plenty of fresh air is when we are asleep. At least one window of the sleeping room should always be open at night, even in the coldest weather. Out-of-door night air is not injurious. Breathing cold, pure air during the night will make us feel fresh and vigorous in the morning. Sleeping out of doors, as when camping out, or on sleeping porches, will help to make us strong. Two good rules to remember are: 1. Live out of doors just as much as you can, day and night. Live Out Of Doors Just As Much As You Can 2. When you have to stay indoors, get as much of the outdoor air in the house as possible. QUESTIONS 1. Why is a soldier or a gypsy usually strong and healthy? 2. How does fresh air get into your schoolroom? Does the room have a fresh smell when you come in after recess? 3. Does the air you breathe out rise upwards or sink to the floor? 4. Why does a stove help ventilate a room? Would a burning lamp or gas flame do the same? 5. How does fresh air get into your sleeping room? Why should you keep the windows open at night? 6. What was the worst ventilated place you were ever in? How did you know it was poorly ventilated? CHAPTER XVIII THE FRAMEWORK OF THE BODY Suppose our bodies were nothing but flesh, blood vessels, heart, stomach, and other organs, with no strong framework to hold them together. We should be much like earthworms or jellyfish. The flesh is so soft that it must have a rigid frame to hold it up. Such a framework also serves to protect from injury the delicate organs of the body like the heart and lungs. The Bones of the Body.--This framework which holds the soft parts of the body in place is made of bones and is called the skeleton. These bones are so hard that they cannot readily be broken and so strong that they...show more

Product details

  • Paperback | 38 pages
  • 189 x 246 x 2mm | 86g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236922255
  • 9781236922250