The Circulation of the Blood Is Caused Mainly by

question 4

Multiple Choice

The circulation of the blood is caused mainly by

• A) The pumping action of the heart
• B) One-way valves in the arteries
• C) The pumping action of skeletal muscles
• D) Gravity
• E) The elastic properties of arteries

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Definitions:

Significance Level

The likelihood of incorrectly dismissing the null hypothesis in a statistical analysis when it is in fact correct.

Travel Time

The duration required to go from one location to another by any mode of transportation.

Routes

Paths or directions taken to get from one location to another, often used in navigation or in the planning of trips.

Wilcoxon Rank Sum Test

A nonparametric statistical test used to compare two independent samples to assess whether their populations differ significantly.