Which of the Following Statements Are True of External Respiration

question 20

Multiple Choice

Which of the following statements are true of external respiration and internal respiration? (Read carefully and select all of the correct statements.)

• A)The "P" in PO₂ means "presence" of oxygen.
• B)In the alveoli,PCO₂ is low and PO₂ is high.
• C)In the tissues,PO₂ is high and PCO₂ is low.
• D)Internal respiration takes place in the pulmonary capillaries.
• E)External respiration takes place in the nasal cavities as the air is warmed.
• F)The pressure gradient of a gas is much the same as a concentration gradient.

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Definitions:

Null Hypothesis

A hypothesis used in statistics that proposes no significant difference or effect, serving as a default position until evidence suggests otherwise.

Test Statistic

A value calculated from sample data during a hypothesis test, used to make a decision about the null hypothesis.

P-Value

A statistical measure that helps to determine the strength of the results to support or reject the null hypothesis.

Null Hypothesis

A hypothesis that assumes there is no statistical significance in a set of given observations and that any observed difference is due to sampling or experimental error.