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Circulatory and Immune Systems Questions - All Grades

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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 10 Circulatory and Immune Systems
The circulatory system is composed of the                                .
  1. lungs, heart, and brain
  2. lungs, blood vessels, and heart
  3. heart, blood, and blood vessels
  4. heart, arteries, and veins
Grade 5 Circulatory and Immune Systems
What body system moves blood through the body and includes the heart, blood, and blood vessels?
  1. circulatory
  2. respiratory
  3. digestive
  4. excretory
Grade 7 Circulatory and Immune Systems
The heart muscle pumps blood through the
  1. respiratory system.
  2. nervous system.
  3. digestive system.
  4. circulatory system.
Grade 5 Circulatory and Immune Systems
Which body system includes arteries and veins?
  1. excretory system
  2. circulatory system
  3. respiratory system
  4. reproductive system
Grade 4 Circulatory and Immune Systems
Your heart
  1. is a muscle.
  2. carries carbon dioxide to your cells.
  3. holds your emotions.
  4. all the above
Grade 5 Circulatory and Immune Systems
The system responsible for moving material throughout the body is the
  1. excretory system.
  2. digestive system.
  3. circulatory system.
  4. respiratory system.
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
What kind of cells carry oxygen to the parts of the body through arteries and veins?
  1. white blood cells
  2. plasma
  3. red blood cells
  4. platelets
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 5 Circulatory and Immune Systems
A student scraped a knee while climbing a tree. Which body system responds by transporting white blood cells to the wound?
  1. skeletal system
  2. digestive system
  3. excretory system
  4. circulatory system
Grade 4 Circulatory and Immune Systems
Your heart's job is to
  1. make heat to keep your body warm.
  2. make you strong.
  3. move blood to all parts of your body.
  4. help you breathe.
Grade 11 Circulatory and Immune Systems
The left atrium pumps blood to the                 .
  1. left ventricle
  2. right ventricle
  3. pulmonary artery
  4. tricuspid valve
Grade 8 Circulatory and Immune Systems
The heart contracts on its own about 200,000 times a day.
  1. True
  2. False
Grade 7 Circulatory and Immune Systems
The circulatory system gets nutrients from the                   .
  1. respiratory system
  2. endocrine system
  3. skeletal system
  4. digestive system
Grade 5 Circulatory and Immune Systems
The cardiovascular system includes the
  1. stomach, esophagus, and intestines.
  2. liver, kidneys, and spleen.
  3. heart, blood vessels, and blood.
  4. none of the above
Grade 6 Circulatory and Immune Systems
A substance made by the body that helps white blood cells destroy disease germs is a(n)
  1. allergy.
  2. virus.
  3. antibody.
Grade 7 Circulatory and Immune Systems
What blood vessels carry blood to the heart?
  1. veins
  2. arteries
  3. capillaries
  4. valves
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