Biology, 29.08.2019 08:20, jorgefrom584

The circulatory, or cardiovascular system, is composed of
a. heart, arteries and veins.
b. lungs, heart and brain.
c. heart, blood and blood vessels.
d. lungs, blood vessels and heart.

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The circulatory, or cardiovascular system, is composed of
a. heart, arteries and veins.
...