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Got source for one tagged citation needed, and its in https://www.britannica.com/science/hemoglobin. Please edit inside if yo're an administrator or when protection goes off. BaronHerzog ( talk) 04:05, 2 March 2023 (UTC) reply

Blood Color - Hemoglobin 38.7.66.122 ( talk) 20:55, 20 February 2024 (UTC) reply

I would add the sentence "Novel edidence 38.7.66.122 ( talk) 20:56, 20 February 2024 (UTC) reply

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I would add the sentence "Novel evidence has shown hemerythrin to be a multi-functional protein – contributing to things like innate immunity and tissue regeneration in worms." to add some more context to what it is about if people don't want to redirect to the other page. — Preceding unsigned comment added by Hadroncollider 666 ( talk • contribs) 20:51, 30 April 2022 (UTC) reply

 Not done. Doesn't seem to be a major role of hemerythrin. The one source in that article doesn't say that this applies to all species. ◢  Ganbaruby!  ( talk) 19:36, 8 May 2022 (UTC) reply

This article was the subject of a Wiki Education Foundation-supported course assignment, between 21 August 2023 and 15 December 2023. Further details are available on the course page. Student editor(s): Raimondi12 ( article contribs).

— Assignment last updated by Thecanyon ( talk) 05:33, 12 December 2023 (UTC) reply

Lead section is super long. Could use some help cutting it down and redistributing information to other parts of the page. Just-a-can-of-beans ( talk) 22:56, 14 January 2024 (UTC) reply