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Sixth Grade (Grade 6) Circulatory and Immune Systems Questions

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Grade 6 Circulatory and Immune Systems
The average person has about                 of blood.
  1. 9 to 10 pints
  2. 9 to 10 quarts
  3. 3 to 4 gallons
  4. 8 liters
Grade 6 Circulatory and Immune Systems
One job of the circulatory system is to carry away
  1. oxygen and nutrients.
  2. carbon dioxide and wastes.
  3. oxygen and carbon dioxide.
  4. oxygen and wastes.
Grade 6 Circulatory and Immune Systems
What are the two types of chambers of the heart?
  1. atrium and ventricle
  2. windpipe and bronchial
  3. flap and pump
Grade 6 Circulatory and Immune Systems
One job of the circulatory system is to transport                            to all the body cells.
  1. carbon dioxide and water
  2. oxygen and nutrients
  3. carbon monoxide and oxygen
  4. nutrients and water
Grade 6 Circulatory and Immune Systems
These blood cells protect the body from illness.
  1. red blood cells
  2. white blood cells
  3. platelets
  4. capillaries
Grade 6 Circulatory and Immune Systems
The heart is a muscle located behind your lungs that is is always moving and never gets tired. It pumps blood
  1. only to the brain.
  2. to all the parts of the body.
  3. only to the lungs.
Grade 6 Circulatory and Immune Systems
What is a pathogen?
  1. organism that causes disease
  2. protector from invaders
  3. trapper of pathogens
Grade 6 Circulatory and Immune Systems
What is the movement of blood through the heart and body?
  1. pumping
  2. circulation
  3. breathing
  4. locomotion
Grade 6 Circulatory and Immune Systems
These blood cells carry oxygen to all the body's cells.
  1. white blood cells
  2. red blood cells
  3. platelets
  4. plasma
Grade 6 Circulatory and Immune Systems
The largest artery in the body is the
  1. femur.
  2. aorta.
  3. pulmonary.
  4. carotid.
Grade 6 Circulatory and Immune Systems
How many chambers does the human heart have?
  1. six
  2. five
  3. four
  4. three
Grade 6 Circulatory and Immune Systems
The force with which blood pushes against the walls of the blood vessels is
  1. the pacemaker.
  2. hypertension.
  3. blood pressure.
  4. the heartbeat.
Grade 6 Circulatory and Immune Systems
Your body's                   help protect you against diseases and foreign substances.
  1. plasma
  2. red blood cells
  3. white blood cells
  4. platelets
Grade 6 Circulatory and Immune Systems
When you get a cut,                   stick together (clot) to stop the bleeding.
  1. platelets
  2. plasma
  3. red blood cells
  4. white blood cells
Grade 6 Circulatory and Immune Systems
The                 let blood in and out of the heart.
  1. cells
  2. valves
  3. arteries
  4. veins
Grade 6 Circulatory and Immune Systems
The movement of blood through the heart and body is
  1. circulation.
  2. locomotion.
  3. ventriculation.
  4. respiration.
Grade 6 Circulatory and Immune Systems
What is plasma?
  1. colorless, sticky part of the blood that stops bleeding
  2. liquid part of the blood
  3. smallest blood vessels that have very thin walls for oxygen to pass through
  4. blood vessels that take blood away from the heart
Grade 6 Circulatory and Immune Systems
If you have blood type A, you can only receive blood type(s)
  1. A and O.
  2. B and O.
  3. A, B, AB, and O.
  4. O.
Grade 6 Circulatory and Immune Systems
With circulation, the heart provides your body with
  1. oxygen.
  2. nutrients.
  3. waste disposal.
  4. all of the above
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