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It contains four layers

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Q: The walls of the GI tract are composed of how many layers of tissue?
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How many layers of tissue from the walls of the digestive tract?

Four layers of tissue form the walls of the digestive tract. These layers are called mucosa, submucosa, muscularis externa and adventitia.


What are the four layers of the tissue found in the walls of the gastrointestinal tract?

Mucosa, submucosa, muscularis, serosa


What tissue is the walls of the alveoli composed of?

the walls of the alveoli are very thin but strong layers of elastic tissue lines with a single layer of flattened epithelium.


What kind of Involuntary muscle is found in the walls of blood vessels and in the digestive tract?

Smooth muscle tissue is the type of muscle tissue found in the walls of many organs and blood vessels in the body.


What type of connective tissue makes up the walls of the intestine?

well the intestine itself is composed of smooth muscle. It is composed of epithelial tissue, muscle tissue, and the glandular cells. The inner layer is of the epithelial tissue. This contains vilis and mucous for the digestion process. Does this help at all? Arnel


Why do arteries have the thickest walls?

Blood vessels are composed of three layers of tissue: tunica externa, tunica media, and tunica interna. The middle layer, tunica media, is composed of smooth muscle and is thickest in arteries because they need to accommodate the higher pressures created by the heart's pumping action which distributes blood throughout the body.


What makes up the wall of the heart?

What makes up the walls of the heart are 3 different layers that consist of tissue and muscle. These muscles contract.


The mechanical and chemical receptors that control digestive activity are located?

In the walls of the tract organs


What are the walls of the nasal cavity composed of?

composed of what tissues


How many layers of tissue does an artery have?

3. The outermost layer is known as thetunica externaformerly known as "tunica adventitia" and is composed ofconnective tissue. Inside this layer is thetunica media, ormedia, which is made up ofsmooth musclecells and elastic tissue. The innermost layer, which is in direct contact with the flow of blood is thetunica intima, commonly called theintima. This layer is made up of mainlyendothelial cells. The hollow internal cavity in which the blood flows is called thelumen.


Why is xylem vessel referred to as mechanical tissue?

- Walls made from dead lignin cells, which waterproof and support walls even if water levels are low in plants. - Narrow tubes so water column doesn't break easily. - Pits in walls allow water to move from one cell to another.


Who build walls?

brick layers