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Which part of the respiratory system is composed of a single layer of epithelial tissues surrounded by a network of capillaries?
The alveoli in the lungs are made of a wet wall that is one cell thick with a network of capillaries to facilitate gas exchange.
How do simple and stratified epithelial tissues differ?
So, think of parts of the body where stratified and simple epithelium line.The stomach and small intestine, for example, are lined with simple epithelial tissue, but the skin, vagina and oesophagus are composed of stratified epithelial tissue.So areas where there isn't a huge amount of movement required are lined with simple epithelium (the stomach just secretes substances and the small intestine absorbs and secretes; absorption is made easier by having just the one layer). But the skin, vagina and oesophagus have to deal with a lot mechanical stress and so simple epithelium wouldn't be suitable which is why so many layers are needed; hence they are composed of stratified epithelium.Stratifed epithelia are two or more cells thick and simple epitheium are one cell thick
What epithelial tissue is more than one layer thick and surface cells are flattened?
stratified squamous epithelium
What is the epithelium that occurs in a thick layer of cells?
Stratified epithelium is a type of epithelial tissue that consists of multiple layers of cells. It is found in areas that require protection from mechanical or chemical stress, such as the skin or the lining of the esophagus. The layers provide strength and durability to the tissue.
What are unique about alveoli's?
The surfactant, also they have only one layer of squamous epithelial tissue, they have no mucus membranes, grape like cluster, one single thick cell.
How many layers thick is a capillary?
Capillaries are only one cell layer thick, which allows for the exchange of nutrients and gases between the blood and tissues. This thin structure promotes efficient diffusion and transport across the capillary walls.
What kind of epithelial tissue is characterized by being only one cell layer thick?
Simple For example, simple cuboidal epithelium A layered version would be Stratified cuboidal epithelium
Why are most cancer cells epithelial cells?
Epithelial cells are rapidly dividing, and are more exposed to carcinogens like UV radiations, and environmental toxins than other tissues in the body as epithelial cells line the surface of the body. Cells which reproduce frequently are more prone to become cancerous than other tissues.
Why are there so many capillaries surrounding the air sacs?
they are related to air sacs because they both use specialized epithelial tissue. This tissue is only one cell layer thick.
Does a thinned ozone layer offer less protection than a thick one?
No it is false. A thick one layer protects more protection.
Why do you keep warmer wearing several layers of clothes rather than one thick layer?
Yes it will be warmer depending on how thick your thick layer is!
Which type of epithelial tissue is used in areas where diffusion is a main function?
Diffusion occurs across simple epithelial tissue. These are only one layer.
