Want to see correct answers?
Login or join for free!
  Biology Worksheets
Looking for Biology worksheets?
Check out our pre-made Biology worksheets!
Share/Like This Page
Filter By Grade

Fourth Grade (Grade 4) Circulatory and Immune Systems Questions

You can create printable tests and worksheets from these Grade 4 Circulatory and Immune Systems questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

Grade 4 Circulatory and Immune Systems
A child's heart beats, on average, between 80 - 120 times a minute.
  1. True
  2. False
Grade 4 Circulatory and Immune Systems
What is the job of the heart?
  1. to regulate our breathing
  2. to pump blood through the whole body
  3. to carry nutrients to our organs
  4. to take up space by our lungs
Grade 4 Circulatory and Immune Systems
Why does your heart rate change?
  1. It depends on the time of day.
  2. It depends on what activity you are doing.
  3. It depends on your age.
  4. It depends on what you eat.
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 4 Circulatory and Immune Systems
How many chambers is your heart divided into?
  1. 2
  2. 3
  3. 4
  4. 5
Grade 4 Circulatory and Immune Systems
The heart is located in the center of your chest, slightly to the left.
  1. true
  2. false
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 4 Circulatory and Immune Systems
The heart is the main organ in the respiratory system.
  1. True
  2. False
Grade 4 Circulatory and Immune Systems
Blood is a liquid form of our bones.
  1. true
  2. false
Grade 4 Circulatory and Immune Systems
The heart helps a person breathe air in and out of the lungs.
  1. True
  2. False
Grade 4 Circulatory and Immune Systems
The            heart            and blood vessels make up the circulatory system.
Grade 4 Circulatory and Immune Systems
Your heart is about the size of a closed fist.
  1. True
  2. False
Grade 4 Circulatory and Immune Systems
Which part of the circulatory system pumps blood to all body parts?
Grade 4 Circulatory and Immune Systems
When blood passes through                , it exchanges oxygen and carbon dioxide.
  1. arteries
  2. veins
  3. the heart
  4. capillaries
Grade 4 Circulatory and Immune Systems
Oxygen is carried to each cell of your body by                .
  1. food
  2. trachea
  3. mucus
  4. blood
Grade 4 Circulatory and Immune Systems
Your                 is the organ that pumps blood.
You need to have at least 5 reputation to vote a question down. Learn How To Earn Badges.