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

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  • 1. Ch. 3 Lesson 2 What is the respiratory system?
  • 2. Activity-pg. 80 What is your lung capacity? Name of student Diameter of ring (cm) Lung capacity (L) Your name
  • 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. <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. 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. 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. bronchioles <ul><li>small tubes in lungs </li></ul>
  • 8. larynx <ul><li>vocal cords stretch across larynx </li></ul><ul><li>voice= vocal cords vibrate </li></ul>
  • 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. 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. cilia <ul><li>Tiny, hairlike structures on cells in linings of many parts of respiratory system </li></ul>
  • 12. Scanning electron microscope image of lung cilia
  • 13. nose mouth larynx pharynx trachea lungs bronchi bronchioles alveoli (air sacs) diaphragm
  • 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. Respiratory System
  • 16. Time to review
  • 17. Are vocal cords located inside your larynx, trachea, or esophagus?
  • 18. The vocal cords are located inside your larynx .
  • 19. When you inhale, which direction does your diaphragm move?
  • 20. The diaphragm pulls downward .
  • 21. nose mouth larynx pharynx trachea lungs bronchi bronchioles alveoli (air sacs) diaphragm
  • 22. cilia <ul><li>Tiny, hairlike structures on cells in linings of many parts of respiratory system </li></ul>
  • 23. trachea <ul><li>Tube that carries air from larynx  lungs </li></ul><ul><li>Leads to 2 branches (bronchi)  lungs </li></ul>
  • 24. bronchioles <ul><li>Small tubes in lungs </li></ul>
  • 25. ex hale <ul><li>breathe out </li></ul>
  • 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. diaphragm <ul><li>dome shaped muscle that forms bottom of chest </li></ul>
  • 28. in hale <ul><li>breathe in </li></ul>
  • 29.  

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