2 Chronicles 35:10-11

35:10 Preparations were made, and the priests stood at their posts and the Levites in their divisions as prescribed by the king. 35:11 They slaughtered the Passover lambs and the priests splashed the blood, while the Levites skinned the animals.

Leviticus 1:5

1:5 Then the one presenting the offering must slaughter the bull before the Lord, and the sons of Aaron, the priests, must present the blood and splash the blood against the sides of the altar which is at the entrance of the Meeting Tent.

Hebrews 11:28

11:28 By faith he kept the Passover and the sprinkling of the blood, so that the one who destroyed the firstborn would not touch them.