From the archive · #39

A little curiosity.
From the archive.

Five flashcards. A fresh discovery. Your moment to get a little more out of the world.

February 8, 2026Human BodyNo account needed · No timer
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Prompt: This organ filters waste from the blood.
ScienceA little curiosity
Body system · RECALLThis organ filters waste from the blood.Think it. Then flip it.
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See these five prompts
  1. 01This organ filters waste from the blood.
  2. 02Tube connecting mouth to stomach
  3. 03Part of the brain responsible for balance
  4. 04These electrical messages travel through the spinal cord between the brain and the body.
  5. 05Number of bones in a typical adult