This page lists every known solution for the clue “Kidney Excretion” in Crossword Challenge. Because this clue can appear in different puzzles (levels) with different required answers, we first list all the answers, then show which one appears in each puzzle below.
Kidney Excretion Crossword Challenge Answers (All Variants)
Urea
If more than one answer is listed, open your puzzle page below to confirm the one used there.
All Known Answers for Kidney Excretion Clue
Puzzle 187 — - Puzzle 212 —
- Puzzle 274 —
- Puzzle 350 —
- Puzzle 362 —
- Puzzle 377 —
- Puzzle 448 —
Where This Clue Appears
Last Checked: October 21, 2025