Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions



This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
The human eye is spherical in structure adjoined by six extrinsic muscles to bones and other muscles in the skull. These external muscles control the movement of the eyeball. The eyeball is enclosed by three layers of fibrous tissue, which are covered by a fine transparent membrane called the conjunctiva. 
1 5 1
The thin transparent layer seen is the cornea
the coloured part is iris it controls the light entering our eye. then we hv lens which is convex in retina we hv rods nd cones
rods are sensitive to dimlight cones r sensitive to bright light ciliary muscles control d focal length of d eye
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts