Circulatory System<br />6th Grade Science<br />
I. Function<br />A. Deliver needed materials to cells<br />B. Removing waste from cells<br />C. Fighting off infection<br />
II. Parts<br />Heart<br />1. Muscle to pump blood<br />2. Four chambers<br />i. 2 Atrium (top)<br />ii. 2 Ventricle (botto...
4. Pathway<br />From Body<br />From Lung<br />RA<br />LA<br />RV<br />LV<br />To Lung<br />To Body<br />
4. Pathway<br />ii. Pulmonary Circuit<br />a. Send CO2 blood from right side heart to lungs<br />b. Lungs remove CO2 and r...
4. Pathway<br />iii. Systemic Circuit<br />a. Send O2 blood from left side heart to body<br />b. Cells remove O2 and repla...
5. Heart Beat<br />i. Top heart contracts together<br />a. Valves close (Lub)<br />ii. Bottom heart contracts together<br ...
B. Blood Vessels<br />Arteries<br />Carry blood away from heart<br />Veins<br />Carry blood toward the heart<br />Capillar...
4. Controlling blood flow<br />i. Pulsing blood flow<br />a. Heart beats (high number) - top<br />b. Heart relaxes (low nu...
ii. Veins<br />a. Valves to help return blood<br />b. Muscles help return blood<br />
III. Diseases<br />A. Atherosclerosis<br />B. Heart Attack<br />C. Hypertension 140/90<br />
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Circulatory system

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Circulatory system

  1. 1. Circulatory System<br />6th Grade Science<br />
  2. 2. I. Function<br />A. Deliver needed materials to cells<br />B. Removing waste from cells<br />C. Fighting off infection<br />
  3. 3. II. Parts<br />Heart<br />1. Muscle to pump blood<br />2. Four chambers<br />i. 2 Atrium (top)<br />ii. 2 Ventricle (bottom)<br />3. Valves to separate flow<br />
  4. 4. 4. Pathway<br />From Body<br />From Lung<br />RA<br />LA<br />RV<br />LV<br />To Lung<br />To Body<br />
  5. 5.
  6. 6. 4. Pathway<br />ii. Pulmonary Circuit<br />a. Send CO2 blood from right side heart to lungs<br />b. Lungs remove CO2 and replace with O2<br />c. Return to left side of heart<br />
  7. 7. 4. Pathway<br />iii. Systemic Circuit<br />a. Send O2 blood from left side heart to body<br />b. Cells remove O2 and replace with CO2<br />b. Return to right side of heart<br />
  8. 8. 5. Heart Beat<br />i. Top heart contracts together<br />a. Valves close (Lub)<br />ii. Bottom heart contracts together<br />a. Larger Valves close (Dub)<br />
  9. 9. B. Blood Vessels<br />Arteries<br />Carry blood away from heart<br />Veins<br />Carry blood toward the heart<br />Capillaries<br />i. Where body exchanges materials<br />
  10. 10. 4. Controlling blood flow<br />i. Pulsing blood flow<br />a. Heart beats (high number) - top<br />b. Heart relaxes (low number) – bottom<br />c. Healthy numbers 120/80<br />
  11. 11. ii. Veins<br />a. Valves to help return blood<br />b. Muscles help return blood<br />
  12. 12. III. Diseases<br />A. Atherosclerosis<br />B. Heart Attack<br />C. Hypertension 140/90<br />

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