Multiple Choice
The circulatory system of cephalopods is more efficient than that of other molluscs because
A) it places the systemic circulation before the gills.
B) it is a closed network of vessels.
C) all blood is circulated through the gill filaments.
D) accessory or brachial hearts increase blood pressure before blood flows through the gills.
E) All of the choices are correct
Correct Answer:

Verified
Correct Answer:
Verified
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