I know there's already a forum for sore and tender scalps but naturally, I can't find it! I needed to register before posting...so it's GONE. For about a year my scalp has been so sore and so tender that it hurts 24 hrs a day. At first I thought perhaps I was allergic to my shampoo so I changed brands. No improvement. Next I wondered if my shower was too hot.
Although small in size, the eye is a very complex organ. The eye is approximately 1 inch (2.54 cm) wide, 1 inch deep and 0.9 inches (2.3 cm) tall. The tough, outermost layer of the eye is called the sclera. It maintains the shape of the eye.
The human eyeball size varies, but on average its diameter is about 1 inch (24mm). A cow eyeball and a human eyeball are similar in overall appearance but the parts of the cow eyeball are generally larger than in a human eyeball. Anatomy. Apart from the size differences, a cow and a human eye are quite similar in overall structure. A key difference is the shape of the pupil, which is oval in a cow eyeball and round in a human eye. The iris is a cow eyeball is almost always brown, while human irises come in a variety of colors.