"An Octopus Is Amazing" Quiz
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How many hearts does an octopus have?
It has 3 hearts, because they have blue blood. Octopuses have three hearts: one pumps blood around the body; the other two pump blood to the gills.
What color is octopus blood?
Octopuses have blue blood because the protein transporting oxygen in their blood, hemocyanin, contains copper, instead of iron
How do octopuses move ?
They can jet to move through the water or crawl along the sea bottom or rocks.
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