STRUCTURAL ORGANISTION OF PLANTS AND ANIMALS
ANIMAL TISSUES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Secretes digestive enzymes.
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Maintains the temperature of our body.
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Storage of nutrients.
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None of the above.
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Detailed explanation-1: -The presence of microvilli on the apical surface of this epithelium increases surface area. In the small intestine, these cytoplasmic projections contain membrane-bound enzymes that complete the final stages of digestion.
Detailed explanation-2: -The main function of simple columnar epithelial cells are protection. For example, the epithelium in the stomach and digestive tract provides an impermeable barrier against any bacteria that could be ingested but is permeable to any necessary ions. This function is especially important in the colon.
Detailed explanation-3: -Simple columnar epithelium This type of epithelia lines the small intestine where it absorbs nutrients from the lumen of the intestine. Simple columnar epithelia are also located in the stomach where it secretes acid, digestive enzymes and mucous.
Detailed explanation-4: -The intestine consists of epithelial cells that secrete digestive enzymes and mucus (gland cells), absorb food particles (enterocytes), and produce hormones (endocrine cells).
Detailed explanation-5: -The correct option is A True Columnar epithelium is mainly involved in absorption and secretion.