The Human Circulatory And Respiratory Systems

5 Questions | By Nlarue | Last updated: May 7, 2019 | Total Attempts: 1639

This is a quiz about the circulatory and respiratory systems.

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1.

What controls the heartbeat?
- A.
  
  Your brain
- B.
  
  Natural Pacemaker
- C.
  
  Muscles in your heart
- D.
  
  Trachea
- E.
  
  Epiglottis in your heart
2.

What is the best description of a capillary?
- A.
  
  Smallest of the blood vessels, highways of the circulatory system, bring nutrients and CO2 to tissues
- B.
  
  Largest of the blood vessels, side streets of the circulatory system, bring CO2 to tissues and absorb O2
- C.
  
  Smallest of the blood vessels, side streets of the circulatory system, bring CO2 to tissues and absorb O2
- D.
  
  Smallest of the blood vessels, side streets of the circulatory system, bring nutrients and O2 to tissues and absorb CO2 and waste
- E.
  
  Largest of the blood vessels, same as a vein, only females have them
3.

(The) _____ brings oxygen rich blood from the left ventricle to the rest of the body.
4.

Explain the difference of the circulatory system and the respiratory system. How are they similar? Different?

Discuss
5.

The vena cava is a...
- A.
  
  Vein
- B.
  
  Artery
- C.
  
  Capillary
- D.
  
  Chamber of your heart
- E.
  
  Part of your lungs