Biology
State the functions of the following:
(i) Eyelids
(ii) Eyelashes
(ili) Tears
(iv) Iris
(v) Ciliary muscles
Sense Organs
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Answer
(i) Eyelids — Protects the outer surface of the eyes and can shut out light.
(ii) Eyelashes — Prevent falling of large particles into the eye.
(ili) Tears — serve as lubricant, washes away dust particles.
(iv) Iris — regulates the amount of light that can enter the eye.
(v) Ciliary muscles — It changes the shape of the lens during accommodation reflex.
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