Bio - Communication

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2.1 function of conjunctiva

protects the outside of the eye (lens)
2.1 function of cornea
- (transparent part)
- support of eye, allows light to enter eye
2.1 function of sclera

support & shape, rough & hard to penetrate
2.1 function of choroid

supplies blood to the eye (retina etc)
2.1 function of retina

nerve fibres inside the eye that detect light
2.1 function of iris
- (coloured part)
- adjusts the amount of light entering the eye
2.1 function of lens

focuses the image onto the back of the eye's retina
2.1 function of aqueous & vitreous humor
- supply nutrients to lens & inside of the eye
- gives it shape & support
- allows light to move slower - refraction
2.1 function of ciliary body

muscles that control movement of lens
2.1 function of optic nerve

sends signals from the retina to the brain

Author

30366

Card Set

Bio - Communication

Description

Revision for HSC Biology on the topic COMMUNICATION

Updated

2010-08-19T03:13:36Z

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