Eye Structure and Functions

Which of these is the function of structure pictured?

• Moves the lens by contracting and/or relaxing

• Provides oxygen and nourishment to the anterior chamber

• Carries electrical impulses away from the eye to the brain

• Made of photoreceptors which become stimulated when light waves strike them

Which of these is the function of structure pictured?

• Moves the lens by contracting and/or relaxing

• Provides oxygen and nourishment to the anterior chamber

• Carries electrical impulses away from the eye to the brain

• Made of photoreceptors which become stimulated when light waves strike them

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Which of these is the function of structure pictured?

• Moves the lens by contracting and/or relaxing

• Provides oxygen and nourishment to the anterior chamber

• Carries electrical impulses away from the eye to the brain

• Gives the eye its overall shape

Which of these is the function of structure pictured?

• Moves the lens by contracting and/or relaxing

• Provides oxygen and nourishment to the anterior chamber

• Protects and holds the eye together

• Gives the eye its overall shape

Which structure creates the aqueous fluid AND contracts and relaxes to change the shape of the lens?

• Ciliary Body

• Pupil

• Iris

• Cornea

Which structure has more nerve endings than any other place in the body, has no blood flow, and will never be rejected after being transplanted?

• Lens

• Pupil

• Iris

• Cornea

Which structure is simply a hole that changes in size based on the amount of light present?

• Lens

• Pupil

• Iris

• Cornea