The human eye is made up of three layers. These are the outer layer, the middle layer and the inner layer.
3
alligators have 2 layers of skin on they're eye's
In standard wall construction, two layers of drywall are typically used.
It is a tear in the wall of the aorta that causes blood to flow between the layers of the wall of the aortaand force the layers apart.
None cause our heart is pure just the brains have lies
Tunica Adventitia. Tunica media, Tunica intima
the middle layer, tunica media
The three layers are the retina, sclera, and the choroid.
If weakness develops between the inner and outer layers of the aortic wall, a bulge results as blood from the interior of the vessel is pushed around the damaged region in the wall and collects between these layers.
The layers of the alimentary tube wall are mucosa, submucosa, muscularis externa, and serosa.
A true aneurysm is an expansion of all the the layers of an arterial wall as compared to a pseudoaneurysm which is a dilation of an artery with actual disruption of one or more layers of its walls, rather than with expansion of all wall layers. Also called false aneurysm.
erosion by water