Size Duel deck / Animals
Human red blood cell
Length: diameter
about 7.5 µm
Range used for fair duels: 6 µm to 8 µm.
A single drop of blood holds millions of them.
Sources and checks
Checked 2026-10-19: Claude (AI build agent): Wikidata statement compared, second-source quote verified in the fetched page. Quotes are short passages from each source, in their original language.
Wikidata P2386: 7 micrometreQ37187, CC0, retrieved 2026-10-19
“nell'uomo è in media di 7,7 μ”Sapere.it encyclopedia (De Agostini) (in Italian): source, retrieved 2026-10-19
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