Biological Christmas Carol
In "The Twelve Days of Christmas," this type of bird is gifted on the first day.
Answer: What is a partridge?
During holiday feasts, your cells increase activity in this organelle known as the "powerhouse of the cell."
Answer: What are mitochondria?
Snowflakes expand upon freezing due to the formation of these bonds between water molecules.
Answer: What are hydrogen bonds?
After a big meal, blood flow increases to this organ for digestion.
Answer: What is the stomach?
This is what tutors who don't participate in our Jeopardy game will get for the holidays.
Answer: What is Coal.?
In "Rudolph the Red-Nosed Reindeer," Rudolph's glowing nose could be explained by bioluminescence, a trait seen in some species of this deep-sea fish.
Answer: What is an anglerfish?
Consuming sugary treats can lead to a spike in this simple sugar that cells use for energy.
Answer: What is glucose?
During winter months, reduced sunlight exposure can lead to lower levels of this vitamin in humans.
Answer: What is Vitamin D?
The "funny bone" you hit at the dinner table is actually this nerve.
Answer: What is the ulnar nerve?
The other two common names for Santa Claus
Answer: What are Kris Kringle and Saint Nick?
In "Silent Night," the calmness might be due to increased levels of this neurotransmitter that regulates sleep.
Answer: What is melatonin?
This process, where cells take in substances by engulfing them, mirrors how you might indulge in holiday meals.
Answer: What is endocytosis?
The process by which water vapor turns directly into ice crystals, forming frost, is called this.
Answer: What is deposition?
The warmth you feel from a hot cup of cocoa is detected by these receptors in your skin.
Answer: What are thermoreceptors?
Which reindeer has the same name as another holiday mascot?
Answer: Who is Cupid?
In "Do You Hear What I Hear?", hearing is possible because of this spiral-shaped organ in the inner ear.
Answer: What is the cochlea?
When you shiver in the cold, these cellular structures contract to generate heat.
Answer: What are muscle fibers or muscle cells?
Some animals change their fur color to white during winter for camouflage, an adaptation known as this.
Answer: What is seasonal molting or camouflage adaptation?
These sensory receptors in your eyes allow you to see the colorful holiday lights at night.
Answer: What are cone cells?
This actor played six roles in the Polar Express
Answer: Who is Tom Hanks?
In "Carol of the Bells," the perception of sound involves these tiny hair cells located in the cochlea.
Answer: What are stereocilia?
After enjoying rich foods, your liver cells increase the production of this substance to aid in digestion.
Answer: What is bile?
The high reflectivity of fresh snow contributes to Earth's energy balance by reflecting sunlight; this reflectivity is known as what?
Answer: What is albedo?
When you enjoy the scent of holiday candles, you're using this cranial nerve responsible for the sense of smell.
Answer: What is the olfactory nerve (cranial nerve I)?
The best-selling Christmas song of all time
Answer: What is "White Christmas"?