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Circulatory system
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What are the different kinds of blood vessels?
Arteries, veins, and capillaries
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How many liters of blood does an adult have?
5 liters
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Which kind of blood vessel carries blood away from the heart?
Artery
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Which kind of blood vessel carries blood to the heart?
Vein
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How many chambers is the heart divided into?
4
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How long does it take for the blood to leave the heart, circulate through the whole body and come back again to the heart?
60 seconds
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What is the heart?
Muscle
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Which kind of blood vessel connects the arteries to the veins?
Capillaries
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What does the blood take to the body?
Oxygen and nutrients
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What is the approximate size of our heart?
Our fist
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