"There are no layers as such. They are all part of the circulatory system. Generally speaking arteries carry oxygenated blood away from the heart to the rest of the body. Veins return it to the heart via the lungs where gas exchange takes place. It is like a one way highway system"
There are 3 layers. The Tunica Externa, Tunica Media, and Tunica Interna.
3
because the dermis has blood vessels.
The epidermis, or the outermost layer, contains no blood vessels.
Blood is supplied to the skin through capillarity vessels
Blood is supplied to the skin through capillarity vessels
the three layers of the blood are plasma,red blood cells, and bufy coat wbc Those are different parts of blood. The question is asking about blood vessels. The correct answer should be tunica intima, tunica media and tunica externa. http://en.wikipedia.org/wiki/Blood_vessels The three layers of the blood vessels (specifically vessels) are the tunics: tunica intima, tunica media, and tunica externa.
The epidermis does not but the lower layers of the dermis do.
paralle, sheetlike layers of thin tissue that contains blood vessels
The epidermis does not but the lower layers of the dermis do.
papillary layer
the subcutaneous layer (hypodermis)
Osseous Tissue has this arrangement.
Laminar flow.