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Contraction of the diaphragm flattens the dome, causing the size of the thorax to __________, as occurs during ___________ .
At the lung, the pO2 is usually less in the blood than in the air, so the oxygen moves from the alveoli into the blood.
as a bicarbonate ion.
increase, inspiration
to secrete surfactant
Boyle's law.
gas exchange between the lungs and blood
alveolar air mixes with air in the anatomic dead space (conduction tubes) on its way out.
nasopharynx, oropharynx, laryngopharynx, larynx, trachea
Expired air has greater oxygen content than alveolar air because:
At the lung, the pO2 is usually less in the blood than in the air, so the oxygen moves from the alveoli into the blood.
as a bicarbonate ion.
increase, inspiration
to secrete surfactant
Boyle's law.
gas exchange between the lungs and blood
alveolar air mixes with air in the anatomic dead space (conduction tubes) on its way out.
nasopharynx, oropharynx, laryngopharynx, larynx, trachea
As the volume increase, the pressure of the gas decreases is stated by:
At the lung, the pO2 is usually less in the blood than in the air, so the oxygen moves from the alveoli into the blood.
as a bicarbonate ion.
increase, inspiration
to secrete surfactant
Boyle's law.
gas exchange between the lungs and blood
alveolar air mixes with air in the anatomic dead space (conduction tubes) on its way out.
nasopharynx, oropharynx, laryngopharynx, larynx, trachea
Most of the transportation of CO2 occurs:
At the lung, the pO2 is usually less in the blood than in the air, so the oxygen moves from the alveoli into the blood.
as a bicarbonate ion.
increase, inspiration
to secrete surfactant
Boyle's law.
gas exchange between the lungs and blood
alveolar air mixes with air in the anatomic dead space (conduction tubes) on its way out.
nasopharynx, oropharynx, laryngopharynx, larynx, trachea
The walls of the alveoli are composed of cells, type I type II. The function of type II is ________.
At the lung, the pO2 is usually less in the blood than in the air, so the oxygen moves from the alveoli into the blood.
as a bicarbonate ion.
increase, inspiration
to secrete surfactant
Boyle's law.
gas exchange between the lungs and blood
alveolar air mixes with air in the anatomic dead space (conduction tubes) on its way out.
nasopharynx, oropharynx, laryngopharynx, larynx, trachea
Which of the following lists the structures in the correct order of airflow?
At the lung, the pO2 is usually less in the blood than in the air, so the oxygen moves from the alveoli into the blood.
as a bicarbonate ion.
increase, inspiration
to secrete surfactant
Boyle's law.
gas exchange between the lungs and blood
alveolar air mixes with air in the anatomic dead space (conduction tubes) on its way out.
nasopharynx, oropharynx, laryngopharynx, larynx, trachea
External respiration is:
At the lung, the pO2 is usually less in the blood than in the air, so the oxygen moves from the alveoli into the blood.
as a bicarbonate ion.
increase, inspiration
to secrete surfactant
Boyle's law.
gas exchange between the lungs and blood
alveolar air mixes with air in the anatomic dead space (conduction tubes) on its way out.
nasopharynx, oropharynx, laryngopharynx, larynx, trachea
Which of the following is true?
At the lung, the pO2 is usually less in the blood than in the air, so the oxygen moves from the alveoli into the blood.
as a bicarbonate ion.
increase, inspiration
to secrete surfactant
Boyle's law.
gas exchange between the lungs and blood
alveolar air mixes with air in the anatomic dead space (conduction tubes) on its way out.
nasopharynx, oropharynx, laryngopharynx, larynx, trachea
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