Red blood cells collect at the bottom of test tubes that is spun in the centrifuge. Red blood cells have a definite shape, and some of them seem lighter in the middle.
Challenge: This puzzle has not yet been solved in {size} size. Be the first to complete it.
Red blood cells collect at the bottom of test tubes that is spun in the centrifuge. Red blood cells have a definite shape, and some of them seem lighter in the middle.
Best results for size Updated every 10 min
Best time
Best accuracy
Play similar puzzle
Comments
Rate this game
Add comment
Other puzzle from the Other category