The Muscular System Introduction of the Human Body 2021


The Muscular System Introduction of the Human Body 2021


Have you ever wondered how many muscles you have in your body? The answer to this question actually depends on the type of muscles.

There are around 650 skeletal muscles within the typical human body. Almost every muscle constitutes one part of a pair of identical bilateral muscles, found on both sides, resulting in approximately 320 pairs of muscles in the human body.

The muscles of the human body can be categorized into a number of groups which include muscles relating to the head and neck, muscles of the torso or trunk, muscles of the upper limbs, and muscles of the lower limbs.

The healthy human body has three different types of muscles. They include skeletal muscles, smooth muscles, cardiac muscles.


The first one is Skeletal muscles.

Your skeletal muscles are attached to your bones via tendons. Each muscle is comprised of thousands of muscle fibers that are bundled together. Skeletal muscle is predominantly involved in the movement. When one of these muscles contracts, it allows movement of a specific area of the body.


The second one is Smooth muscles.

Smooth muscle can be found in many different organ systems of your body, including but not limited to your digestive system, respiratory system, cardiovascular system, renal system, and reproductive system. Smooth muscle cells are often rounded at the center and tapered off at the sides. Unlike skeletal muscle, they aren’t striated. The term “smooth muscle” refers to the more uniform appearance of this type of muscle tissue.


The last one is Cardiac muscles.

Cardiac muscle is found only in your heart. It’s the type of muscle that allows your heart to beat. You may also see this type of muscle referred to as the myocardium.


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