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Body Systems Science Quiz
Contributed by: Moreno
  • 1. Which system is the heart in?
A) Circulatory
B) Digestive
C) Respiratory
  • 2. Which system are the lungs in?
A) Digestive
B) Respiratory
C) Skeletal
  • 3. Which system is the stomach in?
A) Digestive
B) Excretory
C) Respiratory
  • 4. Which system is the esophagus in?
A) Nervous
B) Circulatory
C) Digestive
  • 5. Which system is the trachea in?
A) Respiratory
B) Digestive
C) Circulatory
  • 6. What are the smallest blood vessels called?
A) Arteries
B) Veins
C) Capillaries
  • 7. Which organ is not in the respiratory system?
A) Bronchi
B) Trachea
C) Nose
D) Pancreas
  • 8. What is the name of the muscle that you use when breathing properly called?
A) Bronchi
B) Alveoli
C) Diaphragm
  • 9. What is the main function of the respiratory system?
A) Take in oxygen and exhale waste like carbon dioxide
B) Move nutrients throughout the body.
C) Take in carbon dioxide and exhale oxygen.
  • 10. Where does digestion start?
A) Mouth
B) Esophagus
C) Stomach
  • 11. What is the main job of the digestive system?
A) Take in oxygen and exhale waste like carbon dioxide.
B) To break down foods into nutrients that can be used by the body.
  • 12. What is the largest organ?
A) Skin
B) Heart
C) Lungs
  • 13. What is the main job of the excretory system?
A) Take in oxygen and exhale waste like carbon dioxide.
B) To filter toxins and excess water out of cells.
C) To break down foods into nutrients that can be used by the body.
  • 14. One of the main functions of the nervous system is to receive stimuli from inside and outside the body.
A) True
B) False
  • 15. Which system provides movement to the body?
A) Respiratory
B) Muscular
C) Digestive
  • 16. Which two systems work together to make sure that oxygen reaches the blood stream and carbon dioxide is removed from the bloodstream?
A) Respiratory and circulatory
B) Circulatory and excretory
C) Digestive and circulatory
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