Veins That Are Small in Diameter and Carry Blood from the Arms

question 18

Multiple Choice

Veins that are small in diameter and carry blood from the arms and legs are the

• A)central veins.
• B)hepatic veins.
• C)peripheral veins.
• D)portal veins.

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Definitions:

Average

A numerical value representing the sum of a group of values divided by the number of values in the group, commonly used to describe the central tendency of a data set.

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The processes by which new species are created through evolutionary mechanisms, and the loss of species when they die out, respectively.

Human Activity

Actions and behaviors performed by humans which impact the environment, such as industrial production, agriculture, and urban development.

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The theory suggesting that Earth's continents are in constant motion on the surface of the globe.