Leviticus 17:11, 14 and Deuteronomy 12:23: “For the life of the flesh is in the blood:and I have given it to you upon the altar to make an atonement for your souls: for it is the blood that maketh an atonement for the soul…. For it is the life of all flesh; the blood of it is for the life thereof …”
Hebrews 9:22 “Without the shedding of blood, there is no remission of sins.”
Exodus 12:13 “… and when I see the blood, I will pass over you, and the plague shall not be upon you to destroy you,when I smite the land of Egypt.”