Puzzle 10

Horizontal beam on a football goal.

Altitude above the height of the ocean.

Toenail beautification.

Blood vessels that carry blood away from the heart.

Everything in space including our solar system.

__ mark, punctuation mark denoting mystery.

Classic game of placing things on a mule's back.

Small cutlery-sized amount in a recipe.

A paper pad that can be spiral.

A patron of a store or business.

Professional killer.