This marsupial has a smooth brain
Koala
This is the largest internal organ and is essential for filtering blood and producing bile.
The liver
Zion
Utah
This hormone & neurotransmitter is often called the "feel good" chemical; a lack of it is thought to be linked to depression
Serotonin
You fell in love with your captor, wandered his castle & talked to the dishware; touch of Stockholm syndrome?
Belle
Romantic penguins propose to their mates by giving them the smoothest and shiniest what?
Pebble
This legendary river, associated with ancient Egyptian civilization, is the longest in the world.
The Nile
Acadia National Park

Maine
This element's chemical symbol comes from its Latin name, Natrium (Na)
Sodium
Mommy issues & a lifetime of isolation will not be solved by a drastic haircut
Rapunzel
Where is the only place on a dogs body that has sweat glands?
Their paws
What is the 4th planet from the sun?
Mars
Yellowstone National Park

Wyoming
Of the five senses, this one can bypass parts of the brain and go straight to the olfactory, which is why it is strongly linked to memories and emotion
Smell
Diagnosis: Split personality
Evidence: Assuming a false identity (& sword theft) to join the military
Mulan
This speedy large African cat is technically not a "big cat" because it cannot roar
Cheetah
This golden thick liquid never expires
Honey
Grand Canyon

Arizona
This is the term for the massive explosion that occurs when a star reaches the end of its life.
Supernova
We really need to talk about your thingamabob hoarding tendencies
Ariel
What creature has a tongue that is twice the length of its body?
Chameleon
After an 1893 Supreme Court ruling, this red fruit was classified as a vegetable for tax purposes.
Tomato
Shenandoah National Park

Virginia
This biological relationship occurs when two different species live closely together, often benefiting one another like these Oxpeckers and Ox
Symbiosis
Chronic people-pleasing, boundary issues and unresolved stepmother trauma with a side of a fruit phobia
Snow White