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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- Do orca sons stay with their mothers?
“In some orca populations, sons stay with their mothers for life.”
Reference: NOAA Fisheries
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What is the largest dolphin?
The orca, also called the killer whale, is actually the largest member of the dolphin family, not a true whale in the everyday sense.
Interesting fact about U.S. presidents
No president of the United States was an only child.