Bodyparts

• iris


  coloured part of the eye
• when happens to the pupil when the light increases

  it retracts as it reduces the amount of light into the eyes
• what happens to the pupil the the light decreases

  it dilates as it increases the amount of light into the eyes
• what is the part behind the eye where all the lights hits to make you see

  retina
• cornear


  clear outer layer of the eye
• cochnear


  inner fluids of the ear
• what are multicellular organisms 


  many cells the need to communicate
• ciliary body


  a circular structure that is an extension of the iris, the colored part of the eye
• what fluid does the ciliary body produce


  produces the fluid in the eye called aqueous humor.
• what does the ciliary muscle do


  changes the shape of the lens when your eyes focus on a near object.
• The tapetum lucidum


  is a layer of tissue in the eye of many vertebrates and some other animals. Lying immediately behind the retina
• what is the purpose of the iris

  to regulate the amount of light into the retina
• what controls the size of the pupil

  muscles in the iris