Which of the following best describes the job of the skeletal system?

This is at the end of a bone, cushions/tough

The part of the bone that makes red blood cells.

The joint that moves in one direction, like a door

The joint with a rounded end of bone fitting snug within another bone.

The joint that consists of a bone resting atop another bone, permitting free movement.

The joint in which bones slip over other bones, allowing free movement.

This attaches bone to bone

This attaches bone to muscle.