Anatomy: The Sensory System and Eye Structure
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Questions and Answers

Which part of the eye has light sensitive nerve cells called rods and cones?

  • Iris
  • Cornea
  • Retina (correct)
  • Crystalline lens

    • What is the function of the ciliary body muscles?

  • To move the eyeball
  • To change the curvature of the lens (correct)
  • To control the size of the pupil
  • To regulate the amount of light entering the eye

    • What is the purpose of the optic nerve?

  • To regulate the amount of light entering the eye
  • To change the shape of the lens
  • To transmit nerve impulses from the eye to the brain (correct)
  • To move the eyeball

    • What is the function of the rods in the retina?

    <p>To enable vision in dim light</p> Signup and view all the answers

    What is the function of the posterior compartment of the eyeball?

    <p>To make up the bulk of the eyeball and be filled with the vitreous body</p> Signup and view all the answers

    What happens to the image formed by the lens?

    <p>It is inverted and sent to the retina</p> Signup and view all the answers

    What is the main function of the sclera?

    <p>To act as the outermost layer of the eye</p> Signup and view all the answers

    What is the function of the choroid?

    <p>To supply the eye tissues with oxygen and nutrients</p> Signup and view all the answers

    What is the purpose of the pupil?

    <p>To regulate the amount of light entering the eye</p> Signup and view all the answers

    What determines the color of a person's eyes?

    <p>The pigment present in the iris</p> Signup and view all the answers

    What is the shape of the eyeball?

    <p>Sphere-shaped</p> Signup and view all the answers

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