What is the function of the ciliary muscles?

What is the function of ciliary muscles in human eye? What ability do they provide a human eye?

What is the function of the iris and the muscles connected to the lens in the human eye ?

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 ?

What is the function of Ca^(++) in muscle contraction.

What are ciliary muscles ?

What is the specific function of the cardiac muscle?

What is the specific function of the cardiac muscle ?