Respuesta :
Answer:
Explanation:
when a muscle contracts, the movable bone attached to one end of the muscle will move. but the other end of muscle must be attached to a fixed (stabilized) bone called the origin which does not move.
Answer:
Explanation:
when a muscle contracts, the movable bone attached to one end of the muscle will move. but the other end of muscle must be attached to a fixed (stabilized) bone called the origin which does not move.