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Fourth Grade (Grade 4) Circulatory and Immune Systems Questions

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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
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
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
1.             Ventricle            One of two bottom chambers of the hear that receives blood from the atrium and sends it out of the heart through the artery.

2. A tiny, one-cell thick blood vessel that carries blood between an artery and a vein.             Capillary            

3. A substance that provides nourishment essential for growth and tha maintenance of life.              Nutrients              

4.             Digestive             Of or relating to the process of digesting food.

5. One-way "doors" that keep the blood traveling in the right direction.          Valve          

6.             Bacteria              A tiny, one-celled organism. there are many species of bacteria; some are helpful to humans, others are harmful.

7.              Infection              Sickness brought on by bacteria, viruses, or fungi.

8. One of three cellular components of blood; white blood cells help defend and protect the body against invaders.              Leukocytes             

9.               Components                A part or element of a larger whole.

10. A chemical made by the body's immune system to help orevent or fight some diseases              Antibodies             
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 located in the center of your chest, slightly to the left.
  1. true
  2. false
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
1.             Ventricle            One of two bottom chambers of the hear that receives blood from the atrium and sends it out of the heart through the artery.

2. A tiny, one-cell thick blood vessel that carries blood between an artery and a vein.             Capillary            

3. A substance that provides nourishment essential for growth and tha maintenance of life.              Nutrients              

4.             Digestive             Of or relating to the process of digesting food.

5. One-way "doors" that keep the blood traveling in the right direction.          Valve          

6.             Bacteria              A tiny, one-celled organism. there are many species of bacteria; some are helpful to humans, others are harmful.

7.              Infection              Sickness brought on by bacteria, viruses, or fungi.

8. One of three cellular components of blood; white blood cells help defend and protect the body against invaders.              Leukocytes             

9.               Components                A part or element of a larger whole.

10. A chemical made by the body's immune system to help orevent or fight some diseases              Antibodies             
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
Mention the 3 parts of the circulatory system.
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
Why is important to move blood though the body?
Grade 4 Circulatory and Immune Systems
From your heart, blood first flows away through                              to the body, then through                              and back to the heart through                             .
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