Human Body
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Fun Animal Facts
100

This organ carries food from the mouth to the stomach

What is the esophagus?

100

These modern-day reptiles survived the asteroid impact that wiped out the dinosaurs and are actually more closely related to birds than to other reptiles.

What is the crocodile?

100

This brightly colored lizard can change its skin tone based on mood, temperature, and light.

What is the chameleon?

100

Joshua trees are native to this North American desert, known for its extreme temperatures and unique landscapes.

What is the Mojave desert?

100

This animal is pregnant up to 22 months and give birth to offspring weighing ove 250 pounds

What is an elephant?

200

This tissue type is named after the Latin word for "little mouse." 

What is "muscle"?

200

This dinosaur, famous from Jurassic Park, was actually much smaller in real life, about the size of a turkey.

What is the velociraptor?

200

These popular pet lizards are named after their spiky scales and resemble tiny, mythical fire-breathing creatures.

What are bearded dragons?

200

This famous carnivorous plant uses modified leaves that snap shut when tiny hairs are triggered.

What is the Venus flytrap?

200

This keystone species is one of the only marine mammals to use tools and primarily feeds on sea urchins

What is a sea otter?

300

This hormone is best known for its role in feelings of wellbeing and is associated with various anxiety disorders

What is serotonin?

300

This dinosaur had a skull up to 9 feet long, making it the largest skull of any land animal.

What is the triceratops?

300

These tiny amphibians weren’t born poisonous; they develop their toxins from their diet in the wild.

What are poison dart frogs?

300

This plant, considered the fastest-growing in the world, can grow up to 35 inches in a single day.

What is bamboo?

300

This slow moving mammal only poops once a week

What is a sloth?

400

This organ consumes most of the body's oxygen to fuel its billions of cells

What is the brain?

400

This supercontinent, from the early Jurassic, began breaking apart, eventually forming today’s continents.

What is Pangea?

400

This snake gets its name from its habit of curling up into a tight, round shape when threatened.

What is the ball python?

400

This holiday plant is actually a parasitic species that attaches to trees and shrubs, extracting water and nutrients.

What is mistletoe?

400

These marsupials commonly have chlamydia, but they stay pretty positive, giving four thumbs up

What are koalas?

500

This organ is highly innervated, which has led to its nickname as the "second brain"

What is the intestine?

500

With its long snout and semi-aquatic lifestyle, this massive predator was larger than T. rex and famously fought this dinosaur in Jurassic Park.

What is the Spinosaurus?

500

This unusual marsupial pet has a special structure that allows it to glide between trees.

What is the sugar glider?

500

Despite their name, peanuts are not true nuts but belong to this plant family.

What is the legume (or Fabaceae) family?

500

Unlike other seabirds that spend time on land, this is the only truly aquatic bird, spending almost its entire life at sea.

What is the emperor penguin?