Podcast
Questions and Answers
The human breathing system starts with the mouth and nostrils.
The human breathing system starts with the mouth and nostrils.
True
The lining membranes in the buccal cavity and nasal passages are covered in cilia and mucus.
The lining membranes in the buccal cavity and nasal passages are covered in cilia and mucus.
True
Cilia beat in unison to move mucus up to the trachea.
Cilia beat in unison to move mucus up to the trachea.
False
The mucus in the respiratory system traps dust, pollen, and pathogens.
The mucus in the respiratory system traps dust, pollen, and pathogens.
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The acid in the stomach kills any pathogens swallowed in the mucus.
The acid in the stomach kills any pathogens swallowed in the mucus.
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Air is filtered as it enters the nose.
Air is filtered as it enters the nose.
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The chemoreceptors in the nose detect chemicals in the air.
The chemoreceptors in the nose detect chemicals in the air.
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True or false: The epiglottis prevents food from entering the trachea when swallowing?
True or false: The epiglottis prevents food from entering the trachea when swallowing?
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True or false: The bronchus is the first division of the bronchioles?
True or false: The bronchus is the first division of the bronchioles?
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True or false: The alveoli have a large surface area due to their shape resembling a bunch of grapes?
True or false: The alveoli have a large surface area due to their shape resembling a bunch of grapes?
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True or false: The pleural membranes prevent the lungs from rubbing against the ribcage?
True or false: The pleural membranes prevent the lungs from rubbing against the ribcage?
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True or false: The diaphragm separates the thoracic cavity from the abdominal cavity?
True or false: The diaphragm separates the thoracic cavity from the abdominal cavity?
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True or false: The intercostal muscles contract to lift the ribcage during inhalation?
True or false: The intercostal muscles contract to lift the ribcage during inhalation?
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True or false: The breathing rate is controlled by the hypothalamus?
True or false: The breathing rate is controlled by the hypothalamus?
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True or false: Inhalation is an active process while exhalation is a passive process?
True or false: Inhalation is an active process while exhalation is a passive process?
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