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Thursday 29 November 2012

Darryn's Pig's Eye Workshop.

Yuck, Yuck, Yuck!  A pigs eye!  Today I went to Darryn's eye dissection workshop.  We studied a pig's eye!  We studied the parts of the pig's eye.  My favourite part of the pig's eye was the blind-spot - which your brain fills in for you!  Your eye actually has some goo inside the coloured bit of your eye, (that is the iris).  The goo is liquid inside your eye that helps you see.  Outside your eye there is a lot of fat that connects your eye to your head.  We looked at the pig's eye close up and everything was really big because we used a dinoscope, which is not a scope that a dinosaur uses - it is a tool that you use to see things close up.  The dinoscope was attached to the computer, so we got to see everything that Darryn was doing on the computer screen.  We cut up the eye with a razor-blade so we could see all the parts inside the pig's eye.  I did not like the part in the middle because it was a bit like jelly and it frightened me!  Darryn also got a piece of paper with a yellow  square and a green square.  On the yellow square, there was a cross (x) and on the green square, there was a dot (.)  Darryn put the piece of paper in front of us.  We had to look at the cross and then he moved it closer to us until we couldn't see the cross anymore.  This was showing us that we have a blindspot and where it is.  Most people were too scared to go and see the eyeballs, so only about 10 or 9 of us did it.
















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