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Eighth Grade (Grade 8) Circulatory and Immune Systems Questions

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Grade 8 Circulatory and Immune Systems
What do red blood cells not do?
  1. carry oxygen
  2. fight germs
  3. take carbon dioxide or waste away
Grade 8 Circulatory and Immune Systems
Grade 8 Circulatory and Immune Systems
Grade 8 Circulatory and Immune Systems
What are the chambers of the heart?
  1. atria or auricles and ventricles
  2. veins and arteries
  3. adenoids and tonsils
Grade 8 Circulatory and Immune Systems
Pulmonary veins carry blood from the lungs and are the only veins in your body that
  1. get rid of deoxygenated blood.
  2. carry liquid wastes.
  3. carry iron in them.
  4. carry oxygenated blood.
Grade 8 Circulatory and Immune Systems
Capillaries have thin walls that allow
  1. oxygen and nutrients to flow out of the blood to the cells.
  2. blood to flow in very narrow places.
  3. cuts to heal quickly.
  4. blood to stop flowing if needed.
Grade 8 Circulatory and Immune Systems
What are the functions of blood?
  1. helps regulate your body temperature
  2. transports oxygen, nutrients, and hormones through the body
  3. defends the body from infection
  4. all of the above
Grade 8 Circulatory and Immune Systems
Grade 8 Circulatory and Immune Systems
Grade 8 Circulatory and Immune Systems
What organ is part of the circulatory system?
  1. pancreas
  2. kidneys
  3. brain
  4. heart
Grade 8 Circulatory and Immune Systems
At which site does oxygen diffuse into the blood?
  1. trachea
  2. bronchi
  3. alveoli
  4. bronchiole
Grade 8 Circulatory and Immune Systems
What is the largest artery?
  1. aorta
  2. pulmonary artery
  3. superior vena cava
Grade 8 Circulatory and Immune Systems
What purpose do red blood cells serve in the circulatory system?
  1. carry oxygen around the body
  2. carry carbon dioxide around the body
  3. fight infections
  4. clot blood
Grade 8 Circulatory and Immune Systems
What part do valves play in the circulatory system?
  1. speed up blood flow
  2. slow down blood flow
  3. keep blood flowing in the same direction
  4. increase the amount of oxygen around the body
Grade 8 Circulatory and Immune Systems
What is the correct sequence for the path of blood through the body?
  1. heart, lungs, other body parts
  2. heart, lungs, brain
  3. heart, lungs, heart, other body parts
  4. heart, other body parts, lungs, heart
Grade 8 Circulatory and Immune Systems
Grade 8 Circulatory and Immune Systems
Veins are blood vessels that carry blood
  1. away from the heart.
  2. back to the heart.
  3. back to the lungs.
  4. between the cells of the body.
Grade 8 Circulatory and Immune Systems
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