16 Questions
What is the main factor that affects breathing rate?
CO2 concentration in the blood
What triggers an increased breathing rate during strenuous exercise?
Accumulation of lactate in the muscles
At what altitude does altitude sickness typically begin?
8000 feet high
What is hypernea?
An increase in rate and depth of breathing in response to various conditions
What is the role of fetal breathing movements in embryonic development?
Unknown, but seen as a sign of robust health
How does carbon dioxide mainly get transported in the blood?
In dissolved form in blood plasma
What is the function of the cilia in the nose?
To push mucus and debris towards the throat
Which structure in the respiratory system closes off the trachea during swallowing?
Epiglottis
What is the main role of the alveoli in the respiratory system?
To exchange gases with the blood
Which part of the lung is highly permeable to gases for efficient gas exchange?
Alveoli
What is the function of the pulmonary ventilation process?
To move air in and out of the lungs for breathing
Which pressure law states that pressure and volume are inversely related?
Boyle's law
What is the role of the intrapleural air pressure in breathing?
Is always lower than intra-alveolar pressure
Which term refers to one full sequence of inspiration and expiration?
Respiratory cycle
What does the anatomical dead space refer to in the respiratory system?
Air that never reaches the alveoli for gas exchange
What is the main function of the alveolar sacs in the respiratory system?
Facilitate gas exchange with highly permeable cells
Learn about the anatomy and functions of the nose and pharynx in the respiratory system. Explore how these structures help in filtering, warming, and humidifying incoming air. Discover the role of cilia in the nose and their function in clearing mucus and debris.
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