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The Human Heart (Grade 8)

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The Human Heart

Use the heart diagram below to answer the questions.
Heart Diagram
1. 
Feature "A" on the diagram above represents the largest vein in the human body.
  1. True
  2. False
2. 
The myocardium, or muscle, around parts C and D of the heart is thicker than the myocardium around parts B and E of the heart.
  1. True
  2. False
3. 
Which letter represents the right atrium?
  1. A
  2. B
  3. C
  4. D
  5. E
4. 
Which letter represents the aorta?
  1. A
  2. B
  3. C
  4. D
  5. E
5. 
Which letter represents the left atrium?
  1. A
  2. B
  3. C
  4. D
  5. E
6. 
Which letter represents the left ventricle?
  1. A
  2. B
  3. C
  4. D
  5. E
7. 
Which letters represent the parts of the heart that receive blood from the body?
  1. B and C
  2. C and D
  3. D and E
  4. E and B
8. 
Which letters represent the parts of the heart that pump blood to the body?
  1. B and C
  2. C and D
  3. D and E
  4. E and B
9. 
In the human heart, blood from the lungs enters the heart through the left atrium, pumps into the left ventricle, out the aorta and through the body, then returns into the right atrium, pumps into the right ventricle and exits to the lungs. Using the above diagram, which set of letters correctly represents this process?
  1. E, D, A, B, C
  2. B, C, A, E, D
  3. C, D, A, B, E
  4. D, C, A, E, B

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