We were doing our first discussion of muscles with the kidergarten and their importance when the following discussion ensued:

"Your head is the most important muscle because it holds your brain in and if your brain fell out you wouldn't be able to think of anything."

"Nope, it's your gluteus maximus (we learn that early) because without it you would skin your knees when you tried to sit down."

"I think it is your arms because without them you would have to lap up your food like a dog."

What's your most important muscle?