Fellowship offering of thanksgiving

Leviticus 7:1-27
Along with his fellowship offering of thanksgiving he is to present an offering with cakes of bread made with yeast. He is to bring one of each kind as an offering, a contribution to the Lord.
The meat of his fellowship offering of thanksgiving must be eaten on the day it is offered; he must leave none of it till morning.
Offering of a vow or is a freewill offering, the sacrifice shall be eaten on the day he offers it, and may be eaten on the next day. Any meat of the sacrifice left over till the third day must be burned up. Because of the healthy and the meat may spoiled, rotten.
Unclean people can not eat the meat of fellowship offering must be cut off from his people.
Do not eat any of the fat of cattle, sheep or goats.
Must not eat the blood of any bird or animal. Eating fat and blood forbidden.
Why?
You must not eat the fat: This 'choice' part of the animal was offered to God.
You must not eat the blood: the reason is give in 17:10-14 For the life of a creature is in the blood, the life of every creature is its blood.
Only thanksgiving the flour may be made with yeast.
How?
God made these regulation to care the health of his people. Do not ear blood is to respect the life that God created.