HISTOLOGY
EPITHELIAL TISSUE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Squamous cells are found where?
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Blood vessels and air sacs of lungs
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Respiratory passages
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Ducts of glands
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Uterine tube
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Explanation:
Detailed explanation-1: -Simple squamous epithelium lines air sac or alveoli. These squamous epithelial cells are permeable and allow the oxygen from the air to enter the blood in the capillaries of the lung, So, the correct answer is option ‘Squamous epithelium’.
Detailed explanation-2: -(b) The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue.
Detailed explanation-3: -Type I pneumocytes cover 70% of the internal surface of each alveolus. These cells are thin and squamous, ideal for gas exchange. They share a basement membrane with pulmonary capillary endothelium, forming the air-blood barrier where gas exchange occurs.
There is 1 question to complete.