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The iris has an opening in the centre called the________.
How does light enter the eye?
Where is the retina?
Cells in the retina are sensitive to_____________.
The___________ connects the eye to the brain.
___________ pass to the brain through this optic nerve.
It is very important to take_____________ of the eyes.
Read in proper light with the light coming from the___________.
Too bright or too dim light _______________.
Do not lie down and read. read with ___________.
Why should you not read in a moving vehicle?
How should you take care of your eyes if they are itching?
You should not___________ your eyes when they are itching,
Why should you not use someone else’s towel or handkerchief to clean your eyes?
Watch the television from a distance of at least __________
Don’t play games on a ___________ for a longtime.
Why should we not play video games for a long time?
When do you need spectacles? And when should you go for an eye check-up?
How are the eyes of chameleons?
Sensory nerves carry messages from the ____________ to the brain.
We hear with our______________.
The part of the ear we see and can touch is the____________.
How do sounds enter into the middle ear?
The middle ear has_____________.
What happens when sound passes through the eardrum?
How do vibrations pass into the ear?
Nerves in the inner ear_______________.
How can you take care of your ears after taking a bath?
Do not clean your ears with _____________.
The wax in the ear will come out____________.
While swimming, If water enters into your ears___________.
If you have earache___________.
The nose helps us to_____________.
Nasal cavity is situated ____________.
What is present in the nasal cavity?