WHY DO YOU BLINK?

HYPOTHESIS

• Maybe you blink to keep your eyes
• From drying out.

REASONS YOU THINK YOU BLINK

REASON 1

• You blink to get rid of dust particles
• And to lubricate your eye ball so you
• Can have better vision .

REASON 2

• We blink more frequently when we
• Are doing that requires great attention
• Such as reading a book or a magazine.

CONCLUSION

• I was close but I didn't know
• That you blink to get dust and
• Stuff like that out of our eyes.

SOURCES

• http://www.livescience.com/32189-why-do-we-blink.html
• http://www.nbcnews.com/id/3076704/t/why-do-we-blink/#.UwImu3-9KSM