Eyes

The Human Eyeball( IT'S SO COOL) Made by:Wisse and Lukas Muscles Heart Cells [[the brain media type="youtube" key="9wjUbR3GqAE" width="227" height="189" align="left" media type="youtube" key="fOpF2rddgPI" height="197" width="243" align="right"

Lens

#1The human lens is round.

#2 If humans didn't have a lens, everything would be upside down and blurry. #3 The human lens is like a magnifying glass. #4 The human lens changes shape so it can focus on things near and far.
 * The Retina
 * 1) 1 The human retina is 33 mm across.
 * 2) 2 The retina is a light sensitive tissue lining the inner surface of the eyeball.
 * 3) 3 The macula, part of the retina, is responsible for the central vision.

= Aqueous Humour = located behind the cornea. The aqueous humour is created when blood flows in the ciliary body's capillaries, it is coarsely filtered by the ciliary bodies endothelial cells. The resulting plasma is then refilltered by the pigmented and nonpigmented ciliary endothelial cells and is secreted into the posterior chamber before traveling between the lens and iris into the anterior chamber of the eye as aqueous humour.
 * 1) 1 The Aqueous humour is a liquid substance which is
 * 1) 2 The aqueous humour is a watery substance.
 * Production

[|the eye]