RESPIRATORY
BRONCHIECTASIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It lines the nasal cavity, where it serves to warm and moisten inspired air.
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It lines the bronchial tree, where it secretes a layer of protective mucus, which serves to purify air entering the respiratory tract.
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It consists of the alveolar epithelium, the capillary endothelium and their joined basement membranes; it provides the surface through which gas exchange occurs.
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It lines the thoracic cavity, where it aids in lung expansion.
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Detailed explanation-1: -A respiratory membrane creates the barrier between alveolar air and blood, and this membrane consists only of the squamous alveolar cell, squamous endothelial cell of the capillary, and their shared basement membrane.
Detailed explanation-2: -At the respiratory membrane, where the alveolar and capillary walls meet, gases move across the membranes, with oxygen entering the bloodstream and carbon dioxide exiting. It is through this mechanism that blood is oxygenated and carbon dioxide, the waste product of cellular respiration, is removed from the body.
Detailed explanation-3: -Answer and Explanation: The respiratory membrane is made up of (d) the alveolar cell membrane, the capillary endothelial membrane, and their fused basement membranes.
Detailed explanation-4: -The alveoli pick up the incoming energy (oxygen) you breathe in and release the outgoing waste product (carbon dioxide) you exhale. As it moves through blood vessels (capillaries) in the alveoli walls, your blood takes the oxygen from the alveoli and gives off carbon dioxide to the alveoli.