21 One young bullock, one ram, one lamb of the first year, for a burnt-offering:
Numbers 7:21 Cross References - Webster
Genesis 8:20
20 And Noah built an altar to the LORD, and took of every clean beast, and of every clean fowl, and offered burnt-offerings on the altar.
Romans 12:1
1 I beseech you therefore, brethren, by the mercies of God, that ye present your bodies a living sacrifice, holy, acceptable to God, which is your reasonable service.
Ephesians 5:2
2 And walk in love, as Christ also hath loved us, and hath given himself for us an offering and a sacrifice to God for a sweet-smelling savor.