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

  1. 1. Ch. 3 Lesson 1 What is the circulatory system? YouTube video-Bill Nye Circulation
  2. 2. Pulse Activity <ul><li>Question -How does activity affect your pulse? </li></ul><ul><li>Purpose: To determine how different activities cause the pulse to change </li></ul><ul><li>Hypothesis: I think that some activities will make your pulse go fast and some activities will make your pulse go slow. </li></ul><ul><li>Materials: stop watch, index and middle fingers, wrist </li></ul>
  3. 3. <ul><li>Procedure: 1. Find resting pulse rate. </li></ul><ul><li>2. Record observations in data chart. </li></ul><ul><li>3. Walk in place for 30 seconds. </li></ul><ul><li>4. Find pulse rate. </li></ul><ul><li>5. Record observations in data chart. </li></ul><ul><li>6. Jog in place for 30 seconds. </li></ul><ul><li>7. Record observations in data chart. </li></ul><ul><li>8. Sit for 30 seconds. </li></ul><ul><li>9. Find pulse rate. </li></ul><ul><li>10. Record observations </li></ul><ul><li>Conclusion: When you do energetic activities, your pulse rate goes higher. When you are at rest, your pulse rate is lower. </li></ul>
  4. 4. Data Chart Pulse Rate Activity 14 x 4= 56 Resting After walking After jogging After resting
  5. 5. circulatory system <ul><li>heart, blood & blood vessels </li></ul><ul><li>body’s transportation system </li></ul><ul><li>moves food & oxygen to each cell </li></ul><ul><li>takes away cell’s wastes </li></ul>
  6. 6. 4 parts of blood plasma red blood cells white blood cells platelets
  7. 7. plasma <ul><li>liquid part of blood </li></ul><ul><li>carries food from digestive system </li></ul><ul><li>moves chemicals (eg. adrenaline) </li></ul>
  8. 8. Is our blood blue inside our body?
  9. 9. <ul><li>Because it lacks oxygen, the waste-rich blood that flows through the veins has a deep red color, almost like maroon. </li></ul><ul><li>Because the walls of the veins are rather thin, the waste-rich blood is visible through the skin on some parts of the body. </li></ul><ul><li>Look at your wrist or hands you can probably see your veins carrying your blood back to your heart. </li></ul><ul><li>Your skin refracts light, though, so that deep red color actually appears a little blue from outside the skin. </li></ul>NO
  10. 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
  11. 11. RED BLOOD CELLS <ul><li>Bright red when carrying oxygen </li></ul><ul><li>Darker red when give oxygen to cells </li></ul>
  12. 12. white blood cells <ul><li>wrap around harmful germs </li></ul><ul><li>make chemicals </li></ul><ul><li># always changing- more when need to fight infection </li></ul>
  13. 13. platelets <ul><li>Pieces of blood cells that float in blood </li></ul><ul><li>Clump together to form sticky clots </li></ul>Video-Magic School Bus Blood Cells
  14. 14. sickle cell anemia Video-What is sickle cell anemia?
  15. 16. Arteries , Capillaries & Veins
  16. 17. 3 kinds of blood vessels
  17. 18. 1. A rteries <ul><ul><li>carry blood A way from heart </li></ul></ul>
  18. 19. 2. veins <ul><ul><li>carry blood from cells to heart </li></ul></ul>
  19. 20. 3. c apillaries <ul><li>C onnect arteries & veins </li></ul><ul><li>smallest blood vessels </li></ul><ul><li>gas exchange (CO 2 & O) </li></ul>They are so thin that blood cells can only pass through them in single file.
  20. 21. Video-The Vessels of the Circulatory System
  21. 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
  22. 23. valves <ul><li>flaps that keep blood flowing in 1 direction </li></ul>
  23. 24. Pathway of Circulation YouTube video-Bill Nye Circulation right atrium right ventricle left atrium left ventricle
  24. 25. Guess the Covered Word
  25. 26. valves Flaps that keep blood flowing in one direction
  26. 27. arteries Blood vessels that carry blood away from the heart
  27. 28. plasma Makes up more than half of blood
  28. 29. platelets Pieces of cells that float in the blood
  29. 30. capillaries so thin that blood cells can only pass through them in single file
  30. 31. sickle-cell anemia Disease in which the red blood cells have a shape like a crescent moon
  31. 32. red blood cells Shaped like discs with a dimple on each side
  32. 33. veins Blood vessels that carry blood from cells back to the heart
  33. 34. platelets Clump together to form blood clots
  34. 35. white blood cells protect body from germs
  35. 36. circulatory system Body’s transportation system
  36. 37. plasma Liquid part of blood
  37. 38. Write a story about how a blood cell travels through the body. <ul><li>Your story must include the following: </li></ul><ul><li>3 types of blood vessels and their functions </li></ul><ul><li>4 components of blood (red blood cells, white blood cells, platelets & plasma) and their forms and functions </li></ul><ul><li>The blood’s path through the body, including the chambers of the heart and the valves </li></ul>