The film explores the muscular system of the human ... skeletal muscles, smooth muscles, cardiac muscles, voluntary, involuntary, muscle contraction, energy production, lactic acid, anatomy ...

NEW YORK — Today's medical students won't only learn anatomy ... of the human body — bones, muscles, organs and all. They can rotate the body, zoom in, and display, hide or view cross sections ...

The gastrocnemius muscle is one of the main muscles of the lower leg. It gives the calf of the leg its rounded, bulging appearance. The gastrocnemius is on the posterior, or back, side of the leg.

We refer to an integrated unit as an organ system. Groups of organ systems work together to make complete, functional organisms, like us! There are 11 major organ systems in the human body.