Matthew 20:28

Just as the Son of Man came, not to be served, but to serve, and to give his life as a ransom for many."

Revelation 5:9

And they are singing a new song--'Thou art worthy to take the book and break its seals, for thou wast sacrificed, and with thy blood thou didst buy for God men of every tribe, and language, and people, and nation,

Treasury of Scripture Knowledge

Summary

Only be sure that thou eat not the blood: for the blood is the life; and thou mayest not eat the life with the flesh.

Bible References

The blood is

Matthew 20:28
Just as the Son of Man came, not to be served, but to serve, and to give his life as a ransom for many."
Revelation 5:9
And they are singing a new song--'Thou art worthy to take the book and break its seals, for thou wast sacrificed, and with thy blood thou didst buy for God men of every tribe, and language, and people, and nation,