Deuteronomy 12:27
Present the meat and blood of your burnt offerings on the altar of the Lord your God. The blood of your other sacrifices is to be poured out beside the altar of the Lord your God, but you may eat the meat.
Leviticus 1:9
The offerer must wash its entrails
Leviticus 1:13
But he is to wash the entrails and shanks with water. The priest will then present all of it and burn it on the altar; it is a burnt offering, a fire offering of a pleasing aroma to the Lord.
Leviticus 17:11
For the life of a creature is in the blood, and I have appointed it to you to make atonement on the altar for
Leviticus 1:5
He is to slaughter the bull before the Lord; Aaron’s sons the priests
Leviticus 4:30
Then the priest must take some of its blood with his finger and apply it to the horns of the altar of burnt offering. He must pour out the rest of its blood at the base of the altar.