Blue Blood, No Bones, and More Than One Heart – Octopus Biology is WILD!

How many bones are in the adult human body?
How many continents are there?
How many hearts does an octopus have?
How many legs does a spider have?
How many planets are in our solar system?
How many players are on a baseball team?
How many sides does a pentagon have?
How many teeth does an adult human typically have?
In what year did Christopher Columbus reach the Americas?
In what year did the American Civil War end?