Taks 1Fill in the blanks with the suitable words from the box

A. Produced
B. Alters
C. Consist
D. Maintain
E. Molst
F. Sufficient
G. Vision
H. Attacked
I. Infections
J. Located
K. Composed
L. Emergencies

Tears made by the lacrimal gland are necessary for overall eye health and clear (1). ____ tears bathe the surface of the eye, keeping it (2). ____ and wash away dust and debris. They also help protect the eye from bacterial and other types of (3). ____. Tears are (4). ____of three major components: a) outer, lipif layer produced by the meibomian glands. b) middle, watery, lacrimal layer, produced by the lacrimal glands. c) inner mucous mucin layer produced by goblek cells (5). ____ within thin transprarent layer over the white part of the eye and covering the inner surface of the eyelids. Tears are made of proteins (ineluding growth factors) electrolytes and vitamins that are critical to (6). ____ the healt of the eye surface and to prevent infection.


Tears are constantly (7). ____ to batle, nourish and protect the eye surface they are also produced in response to (8). ____ such as a particle of dust in the eye, an infection or irritation of the eye, or an onset of strong emotions when the lacrimal glands fail to produce (9). ____ tears, dry eye can result, any discase, process that (10). ____ the components of tears can make them unhealhy and result in dry eye​