Leviticus 4:6, 7, 17, 18, 25, 30
The priest is to dip his finger in the blood and sprinkle some of it seven times before the LORD, in front of the veil of the sanctuary. . . .

Leviticus 8:15
Moses slaughtered the bull, took some of the blood, and applied it with his finger to all four horns of the altar, purifying the altar. He poured out the rest of the blood at the base of the altar and consecrated it so that atonement could be made on it.

Leviticus 16:18
Then he shall go out to the altar that is before the LORD and make atonement for it. He is to take some of the bull's blood and some of the goat's blood and put it on all the horns of the altar.

Hebrews 2:10
In bringing many sons to glory, it was fitting for God, for whom and through whom all things exist, to make the pioneer of their salvation perfect through suffering.

Hebrews 9:22, 23
According to the Law, in fact, nearly everything must be purified with blood, and without the shedding of blood there is no forgiveness. . . .

Hebrews 10:4-19
because it is impossible for the blood of bulls and of goats to take away sins. . . .