Straightening parts at a joint so that the angle between them increases and the parts move further  apart is called:

Often characterized by blister formation, this type of burn destroys some epidermis as well as some of the  underlying dermis.

bone structure.png 

The immovable end (attachment site) of a muscle is called the ______ of the muscle

bone structure.png 

The fluid filled sacs found in some synovial joints called ________, cushion the movement of tendons  that glide over bony prominences in the joint.

Microscopically, the cylinder shaped unit which forms around the central canal of compact bone:

The medial bone of the forearm in anatomical position

Two thieves steal jewelry, and then drop it as they are escaping. The police recover the jewelry, and an officer explains on the evening news that the back of a watch had beautiful fingerprints. The thieves, whose prints are not on file, believe that they can escape prosecution by using acid to remove the epidermis on their fingerpads, erasing their fingerprints. They are wrong because 

The large upper back muscle