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Circulatory and Immune Systems Questions - All Grades

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Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
What does the circulatory system consist of?
  1. brain, lungs, heart
  2. heart, lungs, blood
  3. heart, blood vessels, blood
  4. blood vessels, lungs, blood
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
Some bacteria produce poisons called
  1. histamines.
  2. pathogens.
  3. phagocytes.
  4. toxins.
Grade 9 Circulatory and Immune Systems
Antibodies recognize and bind to
  1. B cells.
  2. T cells.
  3. antigens.
  4. plasma cells.
Grade 9 Circulatory and Immune Systems
How does the human immune system distinguish between healthy body cells (self) and viruses or bacteria (non-self)?
  1. Healthy body cells do not have antigens.
  2. Unlike invaders, healthy body cells contain DNA.
  3. Viruses and bacteria have antigens on their surface.
  4. Viruses and bacteria are much larger than healthy body cells.
Grade 9 Circulatory and Immune Systems
The pulmonary artery is a major blood vessel that carries blood to the lungs for gas exchange. In what way is the pulmonary artery different from other arteries?
  1. It carries blood towards the heart, while most arteries carry it away from the heart.
  2. It carries blood away from the heart, while most arteries carry it towards the heart.
  3. It carries deoxygenated blood, while most arteries carry oxygenated blood.
  4. It carries oxygenated blood, while most arteries carry deoxygenated blood.
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
What produces antibodies?
  1. B cells
  2. pathogens
  3. phagocytes
  4. T cells
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
Once oxygen enters the alveoli, it diffuses into the
  1. arteries.
  2. bronchioles.
  3. capillaries.
  4. veins.
Grade 9 Circulatory and Immune Systems
The liquid component of blood is the
  1. red blood cells.
  2. plasma.
  3. platelets.
  4. white blood cells.
Grade 9 Circulatory and Immune Systems
If Joe Schmoe has blood type AB+, what type(s) of blood can he accept if he needs a transfusion?
  1. AB+ only
  2. AB- only
  3. A+ and B+ only
  4. any blood type, as long as it is from a human
Grade 9 Circulatory and Immune Systems
What is the best description of veins?
  1. They are small intestines.
  2. They are blood vessels that send blood away from the lungs to all different parts of the body.
  3. They are blood vessels that send blood back towards the heart. Most of the blood they carry does not have much oxygen left in it.
  4. They take oxygen that the body needs from the air and put it in the bloodstream. They also take carbon dioxide that is in the blood and send it out of the body.
Grade 9 Circulatory and Immune Systems
Grade 9 Circulatory and Immune Systems
What is the correct order of chambers that describes the path that blood takes through the heart?
  1. right ventricle, right atrium, left ventricle, left atrium
  2. right atrium, right ventricle, left atrium, left ventricle
  3. left ventricle, left atrium, right ventricle, right atrium
  4. left atrium, left ventricle, right atrium, right ventricle
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