Human Body
Work Bank
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You can check out different parts of your own eye by looking in the mirror, ____________ ask a friend if ____________ can look at her eye. A few parts of the eye are easy to see, so ____________ friend will probably agree to let you have a look. You might have a hard ____________ getting her to say OK if you wanted to look at her liver! The eye sits in a little hollow area (the eye socket) in the skull, and it's ____________ by the eyelid. The eyelid opens and shuts several times a minute without you ever thinking about it - ____________ ____________ involuntary action that's better known ____________ blinking! ____________ you blink, the eyelid helps to keep the eye clean. The eyelid also has great reflexes that protect the eye in different situations. When ____________ step into bright light, the eyelids involuntarily squeeze together tightly ____________ protect the eyes. And if you try fluttering your fingers close to your friend's eye (but not too close!), ____________ be sure to ____________ her ____________ quickly. Her eyelids are shutting in response to movement that's too close to ____________ eye - it's a reflex that ____________ the eye from danger. ____________ speaking of fluttering, don't ____________ ____________ They work with the eyelid to keep ____________ and other ____________ ____________ of the eye that doesn't belong ____________