question_answer 76)

  Draw well labelled diagrams of various types of muscles found in human body.

Answer:

  Human body consist of three types of muscles Skeletal muscle It has striated, tubular, multinucleated fibres and is usually attached to skeleton. These are voluntary (under the control of our will). Often called striated muscles due to presence of alternate dark and light bands (straitions). Smooth muscle it has spindle-shaped, non-striated uninucleated fibres and occurs in walls of internal organs. It is involutary in action. Cardiac muscle It has striated, branched, uninucleated fibres and occurs only in the walls of the heart. It is involuntary in action.