Octopus Blood : What is the colour of octopus Blood?
What is the colour of octopus Blood?
Q1# What is the colour of octopus Blood?
Red
Black
Blue
Green
Correct Answer 1: Blue The color of octopus blood is blue.
Octopuses have a closed circulatory system, in which the blood remains inside blood vessels. Octopuses have three hearts; a systemic or main heart that circulates blood around the body and two branchial or gill hearts that pump it through each of the two gills.
The eyes of the octopus are large and at the top of the head.
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