What difference between voluntary muscles and involuntary muscles ?
Answers
the muscles which are under our control are called voluntary muscles but the muscles which are not under our control are called involuntary muscles.
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Involuntary muscle is under unconscious control while voluntary muscle is under conscious control.
Voluntary muscle is under the control of the autonomic nervous system while the involuntary muscle is under the control of the somatosensory nervous system.
Voluntary muscles include skeletal muscle that attaches to bone and skin.
Involuntary muscle includes smooth muscle that lines organs, and cardiac muscle of the heart.
While some involuntary muscles (e.g. cardiac muscles) contract in a constant rhythmic cycle, voluntary muscles do not.
Voluntary muscle contains multinucleated cells, while involuntary muscle is uninucleated.
Voluntary muscle nuclei are located on the edges of the cell while those of involuntary muscle are located in the center of the cell.
Voluntary muscle cells are very long while involuntary muscle cells are short.
Voluntary muscle cells have sarcomeres while involuntary muscle cells do not have sarcomeres.
Some involuntary muscle cells are joined by an intercalated disc, while voluntary muscle cells join at a Z disc.
Troponin is present in all voluntary muscle but is present only in some involuntary muscle (cardiac).
Voluntary muscle tires easily while involuntary muscle does not tire out (cardiac) or tires out very slowly (smooth).