Q7 of 102 Page 130

Answer the following:

What is a lacrimal gland?

Lacrimal gland is a tear gland located at the upper sideward portion of the eye orbit. Its secretion lubricates the surface of the eye, washes away the dust particles and kills germs.


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6

Given below are certain structures. Write against each their special functional activity.

Retina and ………………………………….

 6

Given below are certain structures. Write against each their special functional activity.

Tastebud and ……………………………

 7

Answer the following:

In what two ways is the yellow spot different from the blind spot?

 7

Answer the following:

Name an old-age eye defect. What causes it?