The functional unit of muscle contraction is the ____

Limb bones are part of the ______ skeleton.

During muscle contractions myosin heads move to _____.

A suture is an example of a(n) _____ joint.

Compact bone has _____ and spongy bone has _____ 

A tendon is ­_____, whereas an aponeurosis is _____. 

Binding sites on the surface of actin allow the formation of attachments (cross-bridges) with molecules of ______. 

_______ enhances the absorption of calcium from food, and therefore helps raise blood calcium level

A fascicle is a _____________

The enzyme acetylecholinesterase (AChE) causes acetylcholine to _____.