Why does the Torah write "Chelev haPar" and not just Chelbo'?
Rashi: To include the Par of Yom Kipur in the Din of Kelayos, Chalavim and Yoseres (that are burned on the Mizbe'ach).
Why does it add the word "ha'Chatas"?
Rashi: To include the Se'irei Avodas-Kochavim in the Din of Kelayos, Chalavim and Yoseres.
What are the implications of the word "Mimenu"?
Rashi: It implies that the Kohen must remove them whilst the animal is still whole, before it has been cut up.