Leviticus 1:5-7
Leviticus 1: 5 to 7
5 And he shall slaughter the bullock before Jehovah; and Aaron's sons, the priests, shall present the blood and sprinkle the blood round about on the altar that is at the entrance of the tent of meeting.
6 And he shall flay the burnt-offering, and cut it up into its pieces.
7 And the sons of Aaron the priest shall put fire on the altar, and lay wood in order on the fire;