Don't fall on your face.
possible bruising of the muscle under the skin.
You probely broke it
I Samuel Chapter 5 tells the story of the Philistine god, Dagon who fell on its face before the Lord.
went skating and fell on my arm now it has a bruise on it
Ice
What if your face fell off? Shuttup.
The verbs are "tripped" and "fell".
600km In 1978 a barrel of rum fell out of a plane
The girl's face was covered in mud after she fell in to the puddle.
My dandruff fell on your face.
Fell over means that I tripped or stumbled and landed face down on the floor. The tree fell over sometime during last night's storm.
it was your child's fault