Body Parts Idioms

I promise you, this is safe for squeamish people. OK, there may be idioms about blood but I promise you, nothing to make anyone queasy! All those who like body parts analogy, look here!

Back

 * With One's Back Against The Wall

Head

 * To Knock Something on the Head

Heart

 * Have a Heart!

Teeth

 * By The Skin Of One's Teeth