THE SHEDDING OF BLOOD ATONES FOR SIN

It is the blood which makes an atonement for the soul of man. In Leviticus / Vayikra 17:11 it is written:

Leviticus 17:11 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 makes an atonement for the soul.