No part. Only the Gelatin, which comes from the connective tissue of cattle, is an ingredient used to make Chewing Gum.
chewing
chewing like a cow
No part. Chickens come from chickens, not cows.
Loin
The udder. The skin, which has hair, is also a body part that shows that a cow is a mammal.
A cow will eat grass and then swallow it , then after it has been in their stomach for a while they will then do a bit of a reguritation or throw up and then re chew that grass this is what is called their chewing of the cud
Mouth!
The head
Angus beef does not come from any part of any cow, but comes from a BREED of cattle (or cows) called Angus.
http://ask.metafilter.com/27259/How-much-meat-is-there-on-a-cow
The part of the cow that fajita meat comes from is the plate. Traditionally, fajita meat is made from skirt steaks which is made from the plate of the cow.
Ruminate.