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5th Grade Ch. 3 Lesson 1 What is the Circulatory System
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5th Grade Ch. 3 Lesson 1 What is the Circulatory System



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  • 1. Ch. 3 Lesson 1 What is the circulatory system? YouTube video-Bill Nye Circulation
  • 2. Pulse Activity
    • Question -How does activity affect your pulse?
    • Purpose: To determine how different activities cause the pulse to change
    • Hypothesis: I think that some activities will make your pulse go fast and some activities will make your pulse go slow.
    • Materials: stop watch, index and middle fingers, wrist
  • 3.
    • Procedure: 1. Find resting pulse rate.
    • 2. Record observations in data chart.
    • 3. Walk in place for 30 seconds.
    • 4. Find pulse rate.
    • 5. Record observations in data chart.
    • 6. Jog in place for 30 seconds.
    • 7. Record observations in data chart.
    • 8. Sit for 30 seconds.
    • 9. Find pulse rate.
    • 10. Record observations
    • Conclusion: When you do energetic activities, your pulse rate goes higher. When you are at rest, your pulse rate is lower.
  • 4. Data Chart Pulse Rate Activity 14 x 4= 56 Resting After walking After jogging After resting
  • 5. circulatory system
    • heart, blood & blood vessels
    • body’s transportation system
    • moves food & oxygen to each cell
    • takes away cell’s wastes
  • 6. 4 parts of blood plasma red blood cells white blood cells platelets
  • 7. plasma
    • liquid part of blood
    • carries food from digestive system
    • moves chemicals (eg. adrenaline)
  • 8. Is our blood blue inside our body?
  • 9.
    • Because it lacks oxygen, the waste-rich blood that flows through the veins has a deep red color, almost like maroon.
    • Because the walls of the veins are rather thin, the waste-rich blood is visible through the skin on some parts of the body.
    • Look at your wrist or hands you can probably see your veins carrying your blood back to your heart.
    • Your skin refracts light, though, so that deep red color actually appears a little blue from outside the skin.
  • 10. Types of blood cells Red blood cells Platelets White blood cells Form shaped like discs w/ dimple on each side not complete cells different shapes & sizes Function carry oxygen form sticky blood clots protect body from germs Disorder sickle cell anemia embolism leukemia
    • Bright red when carrying oxygen
    • Darker red when give oxygen to cells
  • 12. white blood cells
    • wrap around harmful germs
    • make chemicals
    • # always changing- more when need to fight infection
  • 13. platelets
    • Pieces of blood cells that float in blood
    • Clump together to form sticky clots
    Video-Magic School Bus Blood Cells
  • 14. sickle cell anemia Video-What is sickle cell anemia?
  • 15.  
  • 16. Arteries , Capillaries & Veins
  • 17. 3 kinds of blood vessels
  • 18. 1. A rteries
      • carry blood A way from heart
  • 19. 2. veins
      • carry blood from cells to heart
  • 20. 3. c apillaries
    • C onnect arteries & veins
    • smallest blood vessels
    • gas exchange (CO 2 & O)
    They are so thin that blood cells can only pass through them in single file.
  • 21. Video-The Vessels of the Circulatory System
  • 22. 1. Blood containing wastes & CO 2 flows from body  right atrium . 2. Right atrium contracts, squeezes blood  right ventricle . 3. Right ventricle contracts, pumping blood  artery leading  lungs . 4. Blood containing oxygen flows in veins from lungs  left atrium . 5. Goes to the body thru. the left ventricle Video-How the Heart Works Blood’s Journey through the Body
  • 23. valves
    • flaps that keep blood flowing in 1 direction
  • 24. Pathway of Circulation YouTube video-Bill Nye Circulation right atrium right ventricle left atrium left ventricle
  • 25. Guess the Covered Word
  • 26. valves Flaps that keep blood flowing in one direction
  • 27. arteries Blood vessels that carry blood away from the heart
  • 28. plasma Makes up more than half of blood
  • 29. platelets Pieces of cells that float in the blood
  • 30. capillaries so thin that blood cells can only pass through them in single file
  • 31. sickle-cell anemia Disease in which the red blood cells have a shape like a crescent moon
  • 32. red blood cells Shaped like discs with a dimple on each side
  • 33. veins Blood vessels that carry blood from cells back to the heart
  • 34. platelets Clump together to form blood clots
  • 35. white blood cells protect body from germs
  • 36. circulatory system Body’s transportation system
  • 37. plasma Liquid part of blood
  • 38. Write a story about how a blood cell travels through the body.
    • Your story must include the following:
    • 3 types of blood vessels and their functions
    • 4 components of blood (red blood cells, white blood cells, platelets & plasma) and their forms and functions
    • The blood’s path through the body, including the chambers of the heart and the valves