Chabad.org — English translation + Rashi
Torah Temimah points to Toras Kohanim (Sifra) on 3:14.
Sefaria — Sifra / Toras Kohanim
English: “And he shall offer from it” — from it, from what is still attached: that he not cut up the meat before taking the emurim.
Order of emurim before nituch — emurim are removed while the animal is still whole, before portioning the meat.
Emurim are removed while the animal is still whole, before portioning the meat. The Sifra treats “from it” as a procedural constraint: the kohen must take the sacrificial fats and organs from the intact carcass rather than after the meat has already been cut into portions. The sequence protects the integrity of the offering process.