How many hearts does an octopus have?
An octopus has three hearts: two pump blood through the gills and one pumps it to the rest of the body.
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- Which part of the brain is named after the seahorse?
“The seahorse's genus name, Hippocampus, is also the name of a part of the brain, because of its similar shape.”
Reference: Encyclopaedia Britannica
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Which parent gives birth to baby seahorses?
Male seahorses give birth. The female deposits eggs into the male's pouch, and he carries them until they hatch.
How many neurons are in the human brain?
The human brain contains about 86 billion neurons.