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Red blood cells, or erythrocytes, are the most common type of blood cell. They deliver oxygen (O2) to the body tissues through the circulatory system. Adult humans have roughly 20 to 30 trillion red blood cells at any given time, with each blood cell measuring about 6-8 micrometers in diameter.

Each blood cell measures about 0.25 inches (0.5 cms) in diameter, which is over 800 times the actual size of a red blood cell. Each cell is made of polymer clay with a gloss finish. (Sold as a pair)

Each item is packaged in a Science Boutique gift box.

All items are handmade, so no two are exactly alike.

Red Blood Cell Earrings


Only 1 available


  • Handmade item
  • Materials: Polymer Clay, Post Earring
  • Ships worldwide from United States
  • Feedback: 286 reviews
  • Favorited by: 153 people