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Cardiovascular System Chapter 1 Quiz
Cardiovascular System Chapter 1 Quiz
Quiz
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Restart
Why do multicellular organisms like humans require a cardiovascular system?
A.
To produce sufficient heat for thermoregulation
B.
To excrete excess water from the body efficiently
C.
Because they are too big for certain things to diffuse across to specific organs
D.
To allow substances to diffuse across to all organs due to their large size
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