The answer is actually the knees. the belly is protected by fat, the knees are the weakest. if you find yourself on its head, hit the jaw, its the second weakest.
The cast of Weakest Part - 2011 includes: Pedro Barroso as Matt
The fuse.
membrane
his ankle
A chain is only as strong as it's weakest link.
The cow elk. Don't go for the bull elk unless your mate is with you or you will die
The inside.
DNA
No, the weakest link is actually the most vulnerable part of a chain and the one most likely to break under stress. Strengthening the weakest link is important for improving the overall strength and reliability of the chain.
Just part of it
Cow is a noun.
It goes after the weakest part.