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Circulatory System Quizzes & Trivia

Woosh, woosh, woosh, woosh. If you block your ears, this is what you hear. What are you hearing? Is it a bird, is it a plane? Nope, it’s your blood flowing through your body. But how...why...when...what?! These quizzes are on the circulatory system, and if you know anything about what makes up almost everything in your body, then these quizzes are for you.

With arteries, capillaries, veins and the heart, you'll be pumped to know that nothing has been left out. Prepare to have your heart pounding in your head, as you attempt to solve the quizzes on the circulatory system. Don't blush if you get any answers wrong though!
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The circulatory system is a complex network of vital units of the body, such as blood, blood vessels, and the heart, which allows blood to circulate nutrients, oxygen, carbon dioxide, etc. to and from the cells so that the body...

Questions: 30  |  Attempts: 57041   |  Last updated: Oct 5, 2020
  • Sample Question
    The circulatory system is composed of:


Questions: 5  |  Attempts: 6732   |  Last updated: Nov 7, 2017
  • Sample Question
    What is the main part of the circulatory system?

The heart is the most important organ in the human body as if it is unable to pump air someone’s life will either be cut short or become extremely difficult to maintain. The quiz below is on the heart and circulatory...

Questions: 25  |  Attempts: 2697   |  Last updated: Oct 23, 2018
  • Sample Question
    What is the main artery of the body?

This is a Quiz. Take It. NOW.

Questions: 20  |  Attempts: 8521   |  Last updated: Jan 15, 2013
  • Sample Question
    What substance in RED blood cells carries oxygen to the cells?


Questions: 14  |  Attempts: 1002   |  Last updated: Sep 4, 2020
  • Sample Question
    What is the circulatory system?
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