Study the prepared slide of striated muscles fibres and answer the following questions :
(a) Are striated muscles voluntary or involuntary in action ?
(b) Why are these called striated muscles fibres ?
(c) Where are these present in human body? Name any two regions/parts.
What is the function of striated muscles ?

Explanation

(a) These are voluntary in action .
(b) The mucles fibres show alternate dark and light striations or bands. Hence, these are termed striated muscle fibres.
(c) These are present in the body wall and the limbs.
(d) These help in the movement of body parts and locomotion.