Differentiate between striated, unstriated and cardiac muscles

The muscular system is mainly responsible for permitting movement of the body, maintaining the body’s posture, and circulation of blood cells throughout the body.

There are three types of muscle and are mainly classified based on their movements and structures.

  • Skeletal or striated muscles: It is a form of striated muscle tissues and is mainly found attached to bones by the tendons.
  • Smooth Muscles or unstriated muscled: These muscles are found inside of organs like the blood vessels, stomach, and intestines. These muscles help in the movements of substances through the organs.
  • Cardiac Muscles: These muscles are found only in the heart, and are mainly responsible for pumping blood throughout the body.

Now let us know the difference between these three muscles

Difference between striated, unstriated and cardiac muscles

The difference between striated, unstriated and cardiac muscles are tabulated below:

Type and Properties Striated Muscle Unstriated muscle  Cardiac Muscle
Definition It is a form of striated muscle tissues and is mainly found attached to bones by the tendons. Smooth muscle is a type of muscle tissue which is used by various systems to apply pressure to vessels and organs. A type of muscle tissue that is found only in the heart and is distinguishable from the two other forms of muscle
Structure Long, cylindrical with blunt ends. Skeletal muscles are cylindrically shaped with branched cells and the end of each skeletal muscle has a tendon, which connects the muscle to bone Sort, spindle-shaped with pointed ends. The smooth muscles of the human muscular system are spindle-shaped muscle fibres Short, branched and cylindrical with flat ends. These muscles comprise the cylindrical, branched fibres. These muscles are striated muscles with cylindrical-shaped cells, which includes intercalated discs and joins neighbouring fibres.
Location They are mainly found in limbs, tongue, pharynx etc. These muscles are found inside of organs like the blood vessels, stomach, and intestines. These muscles are found only in the heart, and are mainly responsible for pumping blood throughout the body.
Nucleus Multinucleate, nuclei peripheral. Uninucleate, nucleus in the centre One or two nuclei in the centre.
Action They are voluntary in action. They are involuntary in action. They are involuntary in action.
Presence of Bands Dark and light bands are present. No bands present. Bands are present

Fact

Muscles are soft tissues, which are mainly involved in producing force and motion and are primarily responsible for locomotion in both animals and humans. The human muscular system includes more than 600 muscles, which make up to 30 to 40 per cent of the total body weight.

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