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Discuss the structure and functions of the various muscle tissues found in humans

Discuss the structure and functions of the various muscle tissues found in humans

Answers

Kavungya
Smooth/Visceral Muscle; consists of spindle-shaped cells; made up of long filaments or
myofibrils; the cells lack cross striations and sarcolemma; they are uninucleate/with one cell;
they contract and fatigue slowly; to bring about contraction and relaxation of the walls of
blood vessels,

Urino-genital tract and the gut; which aids in blood flow, urine and sperm flow and peristalsis
of food respectively;

Skeletal/Striated muscles; made up of long cylindrical cells; with long myofibrils running
parallel to each other; the cells have cross striations/stripes; are multinucleated; they form
bundles of long fibres attached to bones by tendons; they contract and fatigue rapidly; to bring
about movement of bones; (on the body) they contain contractile protein myosin and actin;

Cardiac/Heart muscle; this is the muscle of the heart; is made up of short cylindrical cells; with
parallel myofibrils; the ends of each all are thickened into intercalated discs; that connect
adjacent cells; the myofibrils have cross striations; each cell is uninucleate; the myofibrils
contract without fatigue;
Kavungya answered the question on May 13, 2021 at 14:14

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