External Respiration Involves the

question 16

Multiple Choice

External respiration involves the

• A)movement of air into and out of the lungs.
• B)diffusion of gases between the alveoli and the circulating blood.
• C)exchange of dissolved gases between the blood and the interstitial fluid.
• D)binding of oxygen by hemoglobin.
• E)utilization of oxygen by tissues to support metabolism.

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Definitions:

Null Hypothesis

In statistics, it is the default or initial presumption that there is no effect or no difference, often symbolized as H0.

Alternative Hypothesis

A statistical hypothesis that proposes a difference or effect, in contrast to the null hypothesis which suggests no effect or relationship.

Wilcoxon Signed Rank Test

A nonparametric statistical test used when comparing two related samples or repeated measurements on a single sample to assess whether their population mean ranks differ.

Null Hypothesis

A default hypothesis that indicates no effect or no difference, and is tested against an alternative hypothesis.