How Many Brain Cells Do I Have?

Take this quiz to find out!

Are your last two brain cells rubbing together to keep you afloat? Or is your brain operating at the highest level?

Just answer these questions, and we’ll let you know how many working brain cells you have right now. Hit that “Start Quiz” button to get started!

Disclaimer: This quiz won’t tell you how many brain cells you actually have (obviously!) and isn’t meant to offend. It’s just for funsies, and no matter your result, we promise we think you’re smart! 🤪

An illustration of a glowing human brain.

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Questions Overview

1. How many times have you zoned out and stared blankly into the distance today?
  1. Omg, like 50 times.
  2. Once or twice.
  3. Zero times! I’m a focus machine.
2. Which meme/TikTok trend do you think is funniest?
  1. Honestly, I don’t know any memes.
  2. The “Symphony” dolphins.
  3. Italian Brainrot.
3. Do you remember what you ate for dinner 3 nights ago?
  1. Yes, of course.
  2. I can probably remember if I think about it really hard.
  3. Nope, I literally have no memory of it.
4. Pick something to watch:
  1. An Academy Award-winning movie
  2. Reality TV
  3. An endless stream of TikToks
5. Quick! What’s the square root of 25?
  1. 5
  2. 3
  3. Don’t make me do math!
6. Are you familiar with the term “skibidi toilet”?
  1. Umm, no.
  2. Unfortunately, yes.
  3. Yes, I’m an expert on this topic.
7. When’s the last time you drank water?
  1. 5 minutes ago.
  2. A few hours ago.
  3. Shoot, I haven’t had any water today.
8. What does the word “belligerent” mean?
  1. Hostile or aggressive
  2. Bored or sleepy
  3. Beautiful or elegant
9. Imagine you’re writing an essay for school. What font do you pick?
  1. Times New Roman, duh.
  2. Comic Sans.
  3. I handwrite it and hope for the best.
10. How much sleep did you get last night?
  1. 8-9 hours
  2. 6-7 hours
  3. 4-5 hours
11. What does the common idiom “don’t cry over spilled milk” mean?
  1. Don’t make a big deal out of the small stuff.
  2. Be careful when you’re carrying liquids around.
  3. It’s sad when milk gets spilled.
12. How many brain cells do you think a human brain is supposed to have?
  1. Billions
  2. Millions
  3. Thousands

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How Many Brain Cells Do You Actually Have?

The average human brain has approximately 86 billion neurons, or nerve cells.[1] There are other types of cells in your brain, but neurons are the cells responsible for sending messages all over you body to allow you to do things like thinking, talking, walking, and eating.[2]

Types of Neurons

  • Sensory Neurons: Carry information from sense organs like your eyes and your ears to the brain, which allows you to see and hear.
  • Motor Neurons: Carry messages from nerve cells in the brain to your muscles, which allows you to do things like walk and talk.
  • Interneurons: Make connections between motor neurons and sensory neurons.[3]

Other Types of Cells in the Brain

  • Aside from neurons, the brain is also made up of support cells called glia. Glia provide structure in the brain, and there are three different subtypes of them (oligodendrocytes, microglia, and astrocytes).[4]

Want to learn more?

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References

  1. ↑ https://www.nih.gov/news-events/nih-research-matters/scientists-build-largest-maps-date-cells-human-brain
  2. ↑ https://www.nih.gov/news-events/nih-research-matters/scientists-build-largest-maps-date-cells-human-brain
  3. ↑ https://www.ninds.nih.gov/health-information/public-education/brain-basics/brain-basics-life-and-death-neuron
  4. ↑ https://learn.genetics.utah.edu/content/neuroscience/braincells/