lihasjärjestelmän
Lihasjärjestelmä refers to the muscular system, which is a vital component of the human body responsible for movement, posture, and heat production. It consists of various types of muscles, including skeletal, smooth, and cardiac muscles, each serving distinct functions. Skeletal muscles, attached to bones, enable voluntary movements such as walking, running, and grasping. Smooth muscles, found in internal organs like the digestive tract and blood vessels, facilitate involuntary movements and regulate bodily functions. Cardiac muscle, unique to the heart, generates rhythmic contractions to pump blood throughout the body.
The muscular system is composed of individual muscle fibers, each containing myofibrils, the fundamental units of
Proper functioning of the muscular system relies on adequate nutrition, regular exercise, and rest. Conditions affecting