AnaPhy Flashcards
what are the three major regions of the pharynx?
nasopharynx, oropharynx and laryngopharynx.
what is the trachea also known as?
windpipe
How many lobes does the left lung have?
2
what does parasympathetic system cause in the airways?
Bronchoconstriction
what does the sympathetic system stimulate in the airways?
Bronchodilation
What carries deoxygenated blood into the lungs?
Pulmonary artery
What are the two functional divisions of the respiratory system?
The conducting zone and the respiratory zone
What is created when the capillary wall meets the alveolar wall?
Respiratory Membrane
How does blood exit the alveoli after being oxygenated?
Through multiple pulmonary veins
What surrounds each lung?
A cavity surrounded by the pleura
What is the pleura?
A serous membrane that surrounds the lung
How are the right and left pleurae separated?
By the mediastinum
What are the two layers of the pleurae?
Visceral pleura and Parietal pleura
Where does the visceral and parietal pleurae connect?
At the hilum
What are the two major steps of pulmonary ventilation?
Inspiration and Expiration
Where is the respiratory center located
Within the medulla oblongata of the brain