Major objective of this lecture is to present on Animal Uses for Food. Meat is a source of protein. One of the five essential nutrients. This lecture briefly describe on Why did humans start eating meat and How did domestication help this. Chickens, pigs, fish, cows, and other animals who are raised for food value their lives just as much as you and I value ours. Other uses of animals: leather clothing, dog treats, shoes, baseball gloves, ball coverings, gloves, etc.