Flow of Air into and Out of the Lungs Can

question 49

Multiple Choice

Flow of air into and out of the lungs can be attributed to

• A) a pressure gradient between the atmosphere and the alveoli
• B) a pulsating contraction and relaxation movement of the trachea
• C) the air turbulence created in the nasal conchae
• D) the rigidity of the diaphragm that maintains the pressure in the thorax
• E) a change in the volume of the intrapleural fluid

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Definitions:

Phenotype

The assortment of detectable features in an individual, formed through the combination of their genetic material and the influence of environmental conditions.

Genotype Frequencies

The proportion of different genetic types within a population.

Phenotype Frequencies

The proportion of various phenotypes in a given population, often impacted by genetic and environmental factors.

MN Blood Types

A blood group system based on the presence or absence of the M and N antigens on the surface of red blood cells.