Adenosine triphosphate (ATP) is considered by biologists to be the energy currency of life. It is the high-energy molecule that stores the energy we need to do just about everything we do.
The basic function of muscle is to generate force. Secondarily, muscles can provide some shape and form to the organism. Anatomically and functionally, muscle can be divided into two types, smooth and striated. Striated or striped muscle can be further divided into skeletal muscle and cardiac (heart) muscle.
Functions of the Muscles. The Human muscular system is made up of a complex network of soft tissues which are called muscles. Muscle tissue is found throughout the human body and it has the following functions; 1  Movement. 2  Skeletal muscles attached to the skeleton move the body by moving bones.