2017 Take-Home Test 3 Nervous, Senses, Endocrine (3) [Compatibility Mode] ? Tell

Question

2017 Take-Home Test 3 Nervous, Senses, Endocrine (3) [Compatibility Mode] ? Tell me what you want to do ayout Referencesilgs Review View EYE (30 pts) Each question in this section is worth 1 pt. Write structure of eye that is referred to in each description be 1. First refractor of light 2. Amount of melanin in it determines our eye cola 3. Anchors eye muscles 4. Takes nutrients to lens and cornea 5. Allows light to enter eye 6. Accommodates for near vision 7. Performs transduction 8. Contains blood vessels that nourish rods and cone 9. Makes lens flatten or bulge 10. Keeps cornea lubricated 11. Holds retina against back of eyeball 12. Second refractor of light

Explanation / Answer

1.Cornea is the first refractive surface of the eye.

2.The iris of our eye contains two different layers: the back layer and front layer. The back of the iris is usually blue, but the melanin produced in the front layer determines our eye color.

3.Sclera protects the eye and anchors extrinsic muscles.

4.Aqueous humor is a clear, watery fluid, contained in two chambers behind the cornea, that helps to bring nutrients to the eye tissues.

5.The iris allows light to enter into the eye (enlarging or dilating the pupil)

6.

7.Rods and cones in the retina are responsible for the transduction.

8.Cilliary muscles control flattening or bulging of the lens.

9.Choroid layer of the eye behind the retina, contains blood vessels that nourish the retina.

10.Tears from the lachrymal gland lubricates the cornea.

11.

12.Crystalline lens is the second refractor of the eye.

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