Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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which structure in the respiratory system is the site of gas exchange?
please give a precise answer
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- Match the sequence of statements with the correct structures as you trace air through the respiratory system. Group of answer choices Air first enters our body through the __________, better known as the nostrils. It then proceeds into the __________, a small, rounded entry-region of the nasal cavity. While in the nasal cavity, the air is humidified, warmed, and filtered because turbulence is created by the _________…arrow_forwardThe volume of air flow to the alveoli is increased when there is an increase in: Group of answer choices the expiratory reserve volume bronchial spasms collapsed lung tissue the diameter of the airways airway resistancearrow_forwardFind the total surface area of alveoli.arrow_forward
- Draw out the entire respiratory system, labeling 10 organs/structures. For each labeled organ/structure, identify the functionarrow_forwardWhat are the signs of impeding respiratory failure in small childrenarrow_forwardSelect the best answer or answers from the choices given: Damage to which of the following would most likely result in cessation of breathing? (a) the pontine respiratory group, (b) the ventral respiratory group of the medulla, (c) the stretch receptors in the lungs, (d) the dorsal respiratory group of the medulla.arrow_forward
- Which of the following have the most efficient lungs: amphibians, mammals or birds? Explain your answer. Answer:arrow_forwardWhat causes wheeze in a patient suffering from an acute exacerbation of asthma? Question 19 options: Alveolar air trapping due to collapse of distal airways Presence of mucus plugs that occlude proximal bronchioles High velocity air travelling through narrowed airways Inadequate oxygenation of the blood and associated hypoxemiaarrow_forwardWhich structure is involved in gas exchange? Multiple Choice Trachea Bronchus Alveolus Terminal bronchiolearrow_forward
- Identify and label the different structures of the bronchioles.arrow_forwardA smoker develops damage to several alveoli that then can no longer function. How does this affect gas exchange (be specific in your answer)?arrow_forwardWhy is nitrogen gas not exchanged between the alveoli and the blood in the lung capillaries?arrow_forward
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