5 functions of muscle tissue

movement of substances within the body

cardiac muscle contracts and pushes blood throughout the body

regulating organ volume

sphincters prevent organs from losing everything (why the stomach is able to hold food)

body heat production

the body maintains a fairly constant temp. (connection to maintaining homeostasis). Muscle metabolism produces heat as an end product

movement

primary function of skeletal muscle

posture and support

provides a framework for body support but the muscles do the heavy lifting. Maintains posture and stabilizes the joint