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There are no layers in the ozone layer. It is a single layer of pool of ozone gas.
There is a bilayer of muscles in the intestines called the muscularis externa. There is an inner circular layer and outer longitudinal layer. These two layers are responsible for the slow regular propulsion of food called peristalsis.
The mesophyll has two layers. The outermost layer is the palisade layer that is made of tightly packed chloroplasts, and the innermost layer is the "spongy layer" that has air between its cells.
All of the earth's layer are present inside the atmosphere. The ozone layer is situated in the stratosphere.
The Veins
The Middle Layer, which is the Smooth Muscles.
Arteries actually have 5 layers, it is the veins that have 3. Arteries have: -the Outer coat -Elastic layer -Middle coat (thin) -Another elastic layer -Endothelium
are you seriously asking this question? no veins are not muscles, they are veins
Arteries actually have 5 layers, it is the veins that have 3. Arteries have: -the Outer coat -Elastic layer -Middle coat (thin) -Another elastic layer -Endothelium
Upper layer of arteries is made up connective tissues,middle layer of elastic tissues and inner layer of endothelium vein have the same composition but it is relatively less elastic then the arteries.
No, muscles have nothing to do with how many veins God gave you.
The plural of layer is layers.
Veins are more likely than arteries to expand or dilate if blood volume or pressure increases, because they consist of only one layer of tissue; this is in contrast to arteries, in which there are three layers.
There are no layers in the ozone layer. It is a single layer of pool of ozone gas.
The position of the layer compared to other layers.
mesoderm
There are three layers in arteries and veins. The inner layer is the tunica intima, and it is very thin. The middle layer is the tunica media, and it's the muscular layer. For that reason, it's much thicker in arteries than in veins. The outer layer is the tunica adventitia, and is mostly connective tissue with some nerves.In contrast, capillaries don't have all three layers. They need to be thin to allow oxygen and other substances to pass to tissues.The tunica intima provides a layer that allows substances to move through. The muscular layer allows the vessel to change its diameter. The tunica adventita provides protection and connection.