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Eighth Grade (Grade 8) Circulatory and Immune Systems Questions

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Grade 8 Circulatory and Immune Systems
The heart is categorized as a
  1. nerve.
  2. muscle.
  3. cartilage.
  4. synapse.
Grade 8 Circulatory and Immune Systems
Red blood cells live for up to two years.
  1. True
  2. False
Grade 8 Circulatory and Immune Systems
Which is an immune system disorder?
  1. allergies
  2. strep throat
  3. influenza
  4. athlete's foot
Grade 8 Circulatory and Immune Systems

This question is a part of a group with common instructions. View group »

Which letters represent the chambers of the heart that pump blood to the body and lungs?
Heart Diagram
  1. B and C
  2. C and D
  3. D and E
  4. E and B
Grade 8 Circulatory and Immune Systems
Where is the heart located?
  1. left side of the chest
  2. right side of the chest
  3. lower left abdomen
  4. lower right abdomen
Grade 8 Circulatory and Immune Systems

This question is a part of a group with common instructions. View group »

Which letter represents the aorta?
Heart Diagram
  1. A
  2. B
  3. C
  4. D
  5. E
Grade 8 Circulatory and Immune Systems

This question is a part of a group with common instructions. View group »

Which letter represents the left atrium?
Heart Diagram
  1. A
  2. B
  3. C
  4. D
  5. E
Grade 8 Circulatory and Immune Systems

This question is a part of a group with common instructions. View group »

Which letter represents the right atrium?
Heart Diagram
  1. A
  2. B
  3. C
  4. D
  5. E
Grade 8 Circulatory and Immune Systems
Which description is accurate for veins?
  1. high pressure, elastic walls, take blood away from the heart
  2. low pressure, thin walls, take blood back to the heart
  3. high pressure, thin walls, take blood back to the heart
  4. low pressure, elastic walls, take blood away from the heart
Grade 8 Circulatory and Immune Systems
Which letters represent the receiving chambers of the heart?
Heart Diagram
  1. B and C
  2. C and D
  3. D and E
  4. E and B
Grade 8 Circulatory and Immune Systems
The blood vessels get larger the farther away they are from the heart.
  1. True
  2. False
Grade 8 Circulatory and Immune Systems
When the blood moves away of the lungs, it travels next through a large blood vessel called the
  1. aorta
  2. vena cava
  3. artery
  4. atrium
  5. vein
  6. pulmonary vein
  7. pulmonary artery
Grade 8 Circulatory and Immune Systems
Why are capillaries much thinner than other blood vessels?
  1. to withstand blood under high pressure
  2. to allow oxygen and nutrients to move from the blood to cells
  3. to speed up blood when exercising
  4. to prevent blood from flowing backwards
Grade 8 Circulatory and Immune Systems
Nutrients are exchanged between the blood and body cells in the
  1. veins.
  2. arteries.
  3. aorta.
  4. capillaries.
Grade 8 Circulatory and Immune Systems
The mitral (bicuspid) value is located between
Heart Diagram
  1. B and C.
  2. C and D.
  3. D and E.
  4. E and B.
Grade 8 Circulatory and Immune Systems
What description is true of white blood cells? (Select all that apply.)
  1. smaller than red blood cells
  2. are also called leukocytes
  3. fight infection
  4. can move on their own
Grade 8 Circulatory and Immune Systems
Which part of the blood is responsible for forming clots to stop the bleeding of a cut?
  1. plasma
  2. platelets
  3. red blood cells
  4. white blood cells
Grade 8 Circulatory and Immune Systems
The veins are the narrowest blood vessels in the body.
  1. True
  2. False
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