Differentiate between voluntary and involuntary muscles with neat labeled diagram.
Answers
Answer:
Voluntary muscles are long, cylindrical and unbranched, while Involuntary muscles are small and spindle-shaped. Voluntary muscles are multinucleate, and the nucleus is present at the rim (periphery). Involuntary muscles are uninucleate and the nucleus is centrally placed.
Answer:
BASIS FOR COMPARISON VOLUNTARY MUSCLES INVOLUNTARY MUSCLES
Also known as Striped, striated or skeletal muscles. Unstriped, non-striated, plain muscles.
Shape Long, cylindrical and unbranched. Small and spindle-shaped.
Type of cell Multinucleate. Uninucleate.
Presence of nucleus The nucleus is present at the rim (Periphery). The nucleus is centrally placed.
Sarcolemma It is thick. It is thin.
Contraction is under the control of Central nervous system. Autonomic nervous system.
Type of contractions Powerful and rapid. Rhythmic and slow.
Energy requirement Require high energy. Require low energy.
Found in The organs, performing voluntary movements like locomotory muscles, tongue, pharynx, diaphragm, middle ear muscles, sheets of muscles of the abdominal wall under the skin. These are attached to the bones. The organs, performing automatic movements like urogenital tracts, alimentary tracts, respiratory tracts, ducts of glands, blood vessels,
ciliary muscles. They are present in the walls of internal organs.