AnswersGA-Essentials of HealthcareThe Brain and Spinal Cord

The Cardiovascular System Answers

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1
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What are the main components of the cardiovascular system?

A
Lungs, heart, throat
B
Heart, blood, blood vessels
C
Blood, heart, chambers
D
Blood vessels, lungs, heart
2
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Which ensures that blood does not flow backwards?

A
vessels
B
arteries
C
veins
D
valves

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