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Ch. 3 Lesson 2  What is the respiratory system?
Activity-pg. 80 What is your lung capacity?  Name of student Diameter of ring (cm) Lung capacity (L) Your name
Lung Capacity Activity <ul><li>Question -How much air can I breathe in or blow out? </li></ul><ul><li>Purpose:   To determ...
<ul><li>Procedure:  on pgs. 80-81 in science book </li></ul><ul><li>Conclusion : I breathed out _______ of air.  Compared ...
respiratory system: <ul><li>Carries gases between outside air & blood </li></ul><ul><li>Many parts coated w/  mucus =   </...
trachea <ul><li>tube that carries air from larynx    lungs </li></ul><ul><li>leads to 2 branches (bronchi)   goes in lun...
bronchioles <ul><li>small tubes in lungs </li></ul>
larynx <ul><li>vocal cords stretch across larynx </li></ul><ul><li>voice= vocal cords vibrate  </li></ul>
air sacs (alveoli) <ul><li>thin walled pouches in lungs </li></ul><ul><li>oxygen enters blood & carbon dioxide leaves thru...
diaphragm <ul><li>dome shaped muscle that forms bottom of chest </li></ul><ul><li>in hale  (breathe  in )- moves  </li></u...
cilia <ul><li>Tiny, hairlike structures on cells in linings of many parts of respiratory system </li></ul>
Scanning electron microscope image of lung cilia
nose mouth larynx pharynx trachea lungs bronchi bronchioles alveoli (air sacs) diaphragm
When you hold your breath, carbon dioxide builds in your blood.  Your brain senses this & sends a message to the diaphragm...
Respiratory System
Time  to  review
Are vocal cords located inside your larynx, trachea, or esophagus?
The vocal cords are located inside your  larynx .
When you inhale, which direction does your diaphragm move?
The diaphragm pulls  downward .
nose mouth larynx pharynx trachea lungs bronchi bronchioles alveoli (air sacs) diaphragm
cilia <ul><li>Tiny, hairlike structures on cells in linings of many parts of respiratory system </li></ul>
trachea <ul><li>Tube that carries air from larynx    lungs </li></ul><ul><li>Leads to 2 branches (bronchi)    lungs </li...
bronchioles <ul><li>Small tubes in lungs </li></ul>
ex hale <ul><li>breathe  out </li></ul>
respiratory system: <ul><li>Carries gases between outside air & blood </li></ul><ul><li>Many parts coated w/  _________   ...
diaphragm <ul><li>dome shaped muscle that forms bottom of chest </li></ul>
in hale <ul><li>breathe  in </li></ul>
 
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5th Grade-Ch. 3 Lesson 2 What is the Respiratory System

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Transcript of "5th Grade-Ch. 3 Lesson 2 What is the Respiratory System"

  1. 1. Ch. 3 Lesson 2 What is the respiratory system?
  2. 2. Activity-pg. 80 What is your lung capacity? Name of student Diameter of ring (cm) Lung capacity (L) Your name
  3. 3. Lung Capacity Activity <ul><li>Question -How much air can I breathe in or blow out? </li></ul><ul><li>Purpose: To determine how much air different people can hold in their lungs </li></ul><ul><li>Hypothesis: If I blow a bubble as large as I can, then the volume of air in the bubble will be the same as the volume of air that was in my lungs. </li></ul><ul><li>Materials: black trash bag, bubble solution, plastic straw, metric ruler, masking tape </li></ul>
  4. 4. <ul><li>Procedure: on pgs. 80-81 in science book </li></ul><ul><li>Conclusion : I breathed out _______ of air. Compared to other students at my table, I breathed out (more or less) air. </li></ul>
  5. 5. respiratory system: <ul><li>Carries gases between outside air & blood </li></ul><ul><li>Many parts coated w/ mucus = </li></ul><ul><li>sticky, thick fluid that traps </li></ul><ul><li>dust, germs & other things in air </li></ul>
  6. 6. trachea <ul><li>tube that carries air from larynx  lungs </li></ul><ul><li>leads to 2 branches (bronchi)  goes in lungs </li></ul>
  7. 7. bronchioles <ul><li>small tubes in lungs </li></ul>
  8. 8. larynx <ul><li>vocal cords stretch across larynx </li></ul><ul><li>voice= vocal cords vibrate </li></ul>
  9. 9. air sacs (alveoli) <ul><li>thin walled pouches in lungs </li></ul><ul><li>oxygen enters blood & carbon dioxide leaves thru. capillaries </li></ul>capillary
  10. 10. diaphragm <ul><li>dome shaped muscle that forms bottom of chest </li></ul><ul><li>in hale (breathe in )- moves </li></ul><ul><li>ex hale (breathe out )- moves </li></ul>
  11. 11. cilia <ul><li>Tiny, hairlike structures on cells in linings of many parts of respiratory system </li></ul>
  12. 12. Scanning electron microscope image of lung cilia
  13. 13. nose mouth larynx pharynx trachea lungs bronchi bronchioles alveoli (air sacs) diaphragm
  14. 14. When you hold your breath, carbon dioxide builds in your blood. Your brain senses this & sends a message to the diaphragm and rib muscles telling them to breathe.
  15. 15. Respiratory System
  16. 16. Time to review
  17. 17. Are vocal cords located inside your larynx, trachea, or esophagus?
  18. 18. The vocal cords are located inside your larynx .
  19. 19. When you inhale, which direction does your diaphragm move?
  20. 20. The diaphragm pulls downward .
  21. 21. nose mouth larynx pharynx trachea lungs bronchi bronchioles alveoli (air sacs) diaphragm
  22. 22. cilia <ul><li>Tiny, hairlike structures on cells in linings of many parts of respiratory system </li></ul>
  23. 23. trachea <ul><li>Tube that carries air from larynx  lungs </li></ul><ul><li>Leads to 2 branches (bronchi)  lungs </li></ul>
  24. 24. bronchioles <ul><li>Small tubes in lungs </li></ul>
  25. 25. ex hale <ul><li>breathe out </li></ul>
  26. 26. respiratory system: <ul><li>Carries gases between outside air & blood </li></ul><ul><li>Many parts coated w/ _________ </li></ul><ul><li>sticky, thick fluid that traps </li></ul><ul><li>dust, germs & other things in air </li></ul>mucus
  27. 27. diaphragm <ul><li>dome shaped muscle that forms bottom of chest </li></ul>
  28. 28. in hale <ul><li>breathe in </li></ul>
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