Size Duel deck / The body, cells and particles
Human kidney (one)
Mass: one kidney, adult man
about 161 g (5.68 oz)
Range used for fair duels: 120 g to 200 g.
Most people have two; this is one of them.
Sources and checks
Checked 2026-10-21: Researched by Codex (two independent publishers, verbatim quotes); every counted quote re-found on its page by the server check (content-verify); scope and plausibility reviewed by Claude (AI build agent). Quotes are short passages from each source, in their original language.
“120 til 200 gram”Store medisinske leksikon (in Norwegian): source, retrieved 2026-10-21; quote re-found by the server check“160 to 162 g”StatPearls Publishing, Garza and Leslie: source, retrieved 2026-10-21; quote re-found by the server check
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