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ONS 31-50 ARE FILL INS, WRITE IN THE CORRECIANSWER 31. The is the central openin

ID: 3166729 • Letter: O

Question

ONS 31-50 ARE FILL INS, WRITE IN THE CORRECIANSWER 31. The is the central opening in the iris that contracts or dilates according to need. The museles of the iris and ciliary body are located entirely within the eyeball and so are described as In the center of the retina is a tiny depression called the 32. 33. ???. This is the area of maximum visual acuity. 34. The inner most coat of the eyeball, the nerve tissue layer, includes the end organs for the sense of vision. This structure is the 35, is the process of light bending which makes it possible for light from a large area to be focused on a small surface. The special shape of the eyeball is maintained by a jelly-like material located behind the crystalline lens. This is the 36. 37 The eardrum or is located at the end of the auditory cana 38. Light rays pass through a series of transparent eye parts. The outermost of thes 9. The retina contains the photoreceptor cells, theand which act as transducers to convert light energy into impulses that are trans to the of the brain. is an antibacterial substance of the eye. The bony labyrinth chambers contain a fluid known as

Explanation / Answer

31. Pupil

32. Intraoccular muscles

33. Fovea

34. Retina

35. Refraction

36. Vitreous humor

37. Tympanic membrane

38. Conjunctiva

39. Rod cell, cone cell, visual cortex

40. Lysozyme

41. Endolymph