AP BIOLOGY

Detailed explanation-1: -An organ is simply a collection of tissues that work together to perform bodily functions. Skeletal muscles (the ones you have worked on during a massage) are organs that consist of muscle tissue, blood vessels, lymphatics, tendons, nerves, and the fascia that wraps around and within the organ.

Detailed explanation-2: -The muscular system is the body system responsible for movement. The muscles are attached to bones and make up important organs, like the heart, digestive organs and blood vessels.