1. Muscular System By Xavier Henry And Dustin Lowrey

2. Introduction The muscular system is the system that helps everything in the human body move, including the heart beat, the eyes blink, and helps human beings communicate. Humans have three types of muscles, smooth, cardiac, and rough.

3. Parts & Organs Smooth Muscles Rough Muscles Cardiac Muscles –Only found in the heart Involuntary Voluntary

4. The Difference Involuntary muscles, or smooth muscles, are muscles that humans have no conscience control over. These muscles are muscles such as the diaphragm or muscles that help move blood through veins and arteries. Voluntary muscles are muscles that human beings do have conscience control over. Examples of these muscles are the sets of muscles in they're hands, which they use to communicate with “written language”