Octopuses have three hearts: Octopuses have three hearts, with two pumping blood to the gills and the third keeping blood flowing to the organs.
Fun fact Blue whales have the biggest hearts
The heart of an adult blue whale is about the size of a pickup truck and weighs over 400 pounds
Avocados are fruit: Although avocados are often prepared like vegetables, they are biologically classified as fruit.
Fun fact . Sharks are older than dinosaurs: The earliest shark fossils are 450 million years old, making sharks older than trees and dinosaurs.
