Saturday, 23 February 2013

2.87 describe the structure and function of the eye as a receptor

The eye is a receptor of light, it has light receptor cells in its retina. These cells turn stimuli into electrical impulses.
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8 comments:

  1. Unknown29 December 2015 at 04:37

    rods are cells which detect light and cones are cells which detect colour

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    1. HannahHelp30 December 2015 at 17:30

      Your statement is really helpful in describing the difference in functions between the different cells. Be careful though because colour is light, so they both detect light- there are just different cone cells for different wave lengths of light so you are able to distinguish between different colours :)

      This is A level stuff, but if anyone's interested there's some info here:
      http://hannahhelpbiologya2.blogspot.co.uk/2015/02/the-basic-structure-of-pacinian.html

      Delete
  2. Unknown31 December 2015 at 17:35

    Thanks for clearing that up. Just notes I got from my teacher but will look at the website. Thanks!

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  3. Unknown2 January 2016 at 04:36

    do you not need to know how to label a diagram of an eye?

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    1. ANONIMEN11113 January 2016 at 03:38

      I think you need to know the diagram as well as the description of the conjuctiva, cornea, iris, lens, retina, pupil, optic nerve

      Delete
  4. Mike Tsang26 June 2017 at 03:21

    The Biology Syllabus has changed.... New Syllabus Blog:

    http://igcse-biology-2017.blogspot.hk

    ReplyDelete
  5. SophieRice26 June 2017 at 18:35

    more at

    http://igcse-biology-notes.blogspot.hk/2017/06/287-describe-structure-and-function-of.html

    ReplyDelete
  6. Anonymous28 April 2018 at 02:04

    oh eye see!

    ReplyDelete

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