5 Questions
What is the main function of the circulatory system?
Transporting molecules between body systems and cells
What is the purpose of blood circulation in the body?
To deliver important molecules to cells
What are the components of the circulatory system?
Blood vessels, blood, and the heart
Why is the circulatory system named as such?
Because the blood circulates—flows around and around
What would happen if the circulatory system did not function properly?
Cells could not get what they need from other body systems
Test your knowledge of the circulatory system with this quiz. Challenge yourself with questions about blood vessels, the heart, and the flow of blood through the body. See how well you understand this vital system that delivers essential molecules to cells.
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