5 Questions
The ______ system transports blood throughout the body.
circulatory
The heart pumps blood into the ______ vessels.
blood
It is a ______ system.
closed
Let us observe the structure of the ______ and learn about its functions.
heart
The ______ pumps blood into the blood vessels.
heart
Explore the structure and functions of the heart and its role in the circulatory system. Learn how the heart pumps blood throughout the body. Test your knowledge of the heart's functions and the circulatory system.
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