Question

4.
Which fluid is found in our eyes?
What will happen if an insect enters the eye?
Why does it happen?
What is the function of water here?
5. Breathe heavily in front of a mirror. Do you see the mark on mirror? ..
Where does this vapour come from? So what are the function of water?
What other function does water have here?



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Answer 1

Explanation:

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Answer 2

Explanation:

4)Fluid fills most of the inside of the eye. The chambers in front of the lens (both the anterior and posterior chambers) are filled with a clear, watery fluid called aqueous humour. The large space behind the lens (the vitreous chamber) contains a thick, gel-like fluid called vitreous humour or vitreous gel.

If an object gets into your eye it can damage the surface of the cornea. This is known as “corneal abrasion” or “corneal erosion.” It's not always visible. If you have a corneal abrasion it can feel like there's still something in your eye – even if the object has been removed.

That's why it's so uncomfortable when a foreign object like a grain of sand or a small insect enters the space between your eyeball and your eyelid, or gets under your contact lens. Your eye starts to hurt and it waters. If the cornea is scratched, it will feel as though something is stuck in your eye.

Here are just a few important ways water works in your body:

Regulates body temperature. Moistens tissues in the eyes, nose and mouth. Protects body organs and tissues. Carries nutrients and oxygen to cells.

5)The exhausted air contains a lot of vapor that condenses into tiny droplets on cold surface. It will condense on any cold surface, but the effect is most visible on the shiny surface of the mirror.

Water vapor can be produced from the evaporation or boiling of liquid water or from the sublimation of ice. Water vapor is transparent, like most constituents of the atmosphere. Under typical atmospheric conditions, water vapor is continuously generated by evaporation and removed by condensation.

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