This reptile can regrow its tail if it gets caught and some species can even regrow their limbs and heart.
Lizard
These "filters" in your chest help you breathe by taking in oxygen and letting out carbon dioxide.
Lungs
This ship hit an iceberg and sank in the Atlantic Ocean in 1912.
Titanic
This is the tallest mountain in the world, located in the Himalayas.
Mount Everest
This is the most popular pizza topping in the United States.
Pepperoni
This animal has a roar that can be heard from up to five miles away.
Lion
This is the largest organ on the human body, protecting us from germs and keeping us warm.
Skin
These ancient people from Scandinavia were the first Europeans to reach North America, long before Columbus.
Vikings
This imaginary line circles the middle of the Earth, dividing it into the Northern and Southern Hemispheres.
Equator
This fizzy drink was originally invented by a pharmacist and was once sold as a medicine.
Coca-Cola
This sea creature has blue blood and can squeeze through a hole the size of a coin.
Octopus
This is the strongest muscle in the human body based on its weight
Jaw
This giant wooden horse was used by Greek soldiers to sneak into a city and win a famous ancient war.
Trojan Horse
Located in South America, this is the world's highest waterfall, where the water falls from a height of over 3,200 feet.
Angel Falls
This spicy green paste often served with sushi is usually just dyed horseradish, because the "real" version is very expensive.
Wasabi
This can lift objects that are 50 times its own body weight like a human lifting an entire car.
Ant
But babies are born with many of these and later on they decrease because they fused together.
Bones
This massive stone monument in England was built thousands of years ago, but nobody knows exactly how they moved the heavy rocks.
Stonehenge
This is the deepest place in the world’s oceans, reaching a depth of nearly 7 miles down in the Pacific.
Mariana Trench
It takes about 400 of these to make just one single pound of chocolate.
Cacao Beans
Using a "sixth sense" called electroreception, this ocean predator can detect the tiny electrical pulses of a prey's heartbeat.
Shark
These tiny "messengers" in your brain send signals to the rest of your body at speeds of up to 270 miles per hour.
Neurons or Nerve Cells
This "hidden city" in the mountains of Peru was built by the Incas and stayed a secret from the outside world for hundreds of years.
This "Giant" lake in Russia is the deepest and oldest freshwater lake in the world, containing 20% of the world's unfrozen fresh water.
Lake Baikal
Apples, pears, and plums all actually belong to this family of flowers.
Rose family