What is the purpose of putting eggs into meatballs?

Question

it has breadcrumbs in it.....

Answer 1

To bind them together.

Answer 2

It's a binder.  When the egg cooks, it glues the bits of meat together.  

Answer 3

Generally to help bind all the ingredients together so it doesn't fall apart when you try and cook them

Answer 4

It helps to bind them so they don't fall apart.

Answer 5

without eggs you'll have meatcrumbs instead meatballs

Answer 6

The eggs act as glue to hold it all together!

Answer 7

Egg is a binder ... breadcrumbs are a filler.

Answer 8

to hold the meat together in the ball shape