![]() ![]() ![]() When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again. If you knew the answer, click the green Know box. Look at the large card and try to recall what is on the other side. Use these flashcards to help memorize information. The gas between the blood and the air filled chambers of the lungs (oxygen loading/carbon dioxide unloading)Įxchange of gases between systemic blood and tissue cells (oxygen unloading and carbon dioxide loading) Why are the respiratory passageways referred to as anatomical dead space? What portions of the respiratory system are referred to as anatomical dead space?Īll respiratory passageways (conducting zone structures), besides respiratory zone structures, from nasal cavity to terminal bronchioles ![]() Increases air turbulence in the nasal cavity Site from which oxygen enters the pulmonary bloodĬonnects the middle ear to the nasopharynx Pleural layer lining the walls of the thorax Nerve that activates the diaphragm during inspiration ![]() Whic more commonly traps a foreign object that has entered the respiratory passageways? (refer to main bronchi)Ĭovers the glottis during swallowing of food Which is more horizontal? (refer to main bronchi) Which is larger in diameter? (refer to main bronchi) Which is longer? (refer to the main bronchi) It warms, moistens and filters the air that passes through the nasal cavity. Produce lubricating serous fluid that causes them to adhere closely to one another, holding the lungs to the thoracic wall & allowing them to move easily against one another during the movements of breathing. What is the function of the pleural fluid? Why is it important that the cartilaginous rings in the trachea are incomplete posteriorly?Īllows esophagus to expand anteriorly when a large food bolus is swallowed. Reinforce the trachea walls to maintain its open passageway regardless of the pressure changes that occur during breathing. Why is it important that the human trachea is reinforced with cartilaginous rings? What cartilage is the vocal cord attachment? What cartilage is a "lid" for the larynx? Which pair are the true vocal cords (superior or inferior)? Two pairs of vocal folds are found in the larynx. Exercise 36 Anatomy of the respiratory system Question ![]()
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