The circulatory, or cardiovascular system, is composed of
a. the lungs, heart and brain.
...
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Health, 15.11.2019 01:31 lillyd2873
The circulatory, or cardiovascular system, is composed of
a. the lungs, heart and brain.
b. the lungs, blood vessels and heart.
c. the heart, blood and blood vessels.
d. the heart, arteries and veins.
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