Biology-B5-The Eye 0.0 / 5 ? BiologyHomeostasisGCSEAQA Created by: tonisha_Created on: 07-01-23 19:11 The eye is what type of organ? a sense organ 1 of 26 The eye contains what? receptors 2 of 26 Which are sensitive to what two things? light intensity light colour 3 of 26 What are the nine main parts of the eye? sclera cornea lens suspensory ligaments ciliary muscles retina optic nerve pupil iris 4 of 26 The cornea is the _______ front which allows light to ______ the eye and _______ it? transparent front of the eye which allows the light to enter the eye and focus it 5 of 26 The iris is the _______part of the eye and controls the ____ of the ____? coloured part of the eye and controls the size of the pupil 6 of 26 The lens ______ and _____ light rays onto the ____ ( the _____ of the eye) and has the ability to _____ _____? focuses and refracts light rays onto the retina (back of the eye) and has the ability to change shape 7 of 26 The retina contains ______ _____ that detect light _____ and light _____ and send ______ _____? contains light receptors that detect light intensity and colour and send electrical impulses 8 of 26 The optic nerve carries the ______ _____ from the _____ to the _____? electrical impulses from the retina to the brain 9 of 26 The sclera is the white ____ ______ coating that _____ the eye? tough outer coating that protects the eye 10 of 26 The ciliary muscles and suspensory ligaments work with the____ and change its ______ in order to focus on ______ or ______ objects? work with the lens and change its shape in order to focus on near or distant objects 11 of 26 The pupil is the ______ in the ______ of the _____ which allows ____ to pass through? hole in the centre of the eye which allows light to pass through 12 of 26 If there is low light intensity, what is this detected by? receptors in the retina 13 of 26 The receptors will then send what? electrical impulses 14 of 26 To where? the brain 15 of 26 This causes the pupils to _____? dialate (get bigger) 16 of 26 This ______ the amount of light the pupil is allowing to enter? increases 17 of 26 High light intensity is detected by? receptors in the retina 18 of 26 The retina will then send electrical impulses via the ? optic nerve 19 of 26 To the ? brain 20 of 26 The causes the pupils to? contract (get smaller) 21 of 26 This _____ the amount of light that the pupil allows to enter? reduces 22 of 26 This protects the eye from? damage 23 of 26 What type of action is this? reflex action 24 of 26 This is because it doesnt? involve the conscious part of the brain 25 of 26 GO ON ANKI FOR EYE DIAGRAM Q! :) 26 of 26
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