It’s the mucosa, not the submucosa.
The layer of the digestive tract that is composed of stratified and columnar epithelium is the mucosa. This layer is responsible for absorption and secretion in the digestive system.
The layer of the digestive tract that is composed of stratified and columnar epithelium is called the mucosa. This layer is responsible for absorbing nutrients from digested food and protecting the digestive tract from harmful substances.
the kidneysor the lungs
mesenterymesenteriesThe sheets of peritoneal membrane that hold the digestive tract in place are called mesenteries. The innermost tissue layer of the alimentary canal is the mucosa.
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The submucosa layer of the digestive tract contains blood vessels, lymph vessels, and nerve cells. These structures play important roles in providing nutrients, removing waste, and coordinating digestive functions within the gastrointestinal tract.
The epithelial tissue is primarily found in the mucosa layer of the digestive tract. This layer consists of epithelial cells that line the inner surface of the tract, providing a protective barrier and facilitating absorption of nutrients.
mucosa
The endoderm layer of embryonic tissue forms the lining of the digestive tract. It gives rise to the epithelial cells that make up the inner lining of the gastrointestinal system.
The innermost layer is the bone marrow.
The earths innermost layer is the Inner Core.
muscularis