Which of the Following Is a Function of a Valve

question 48

Multiple Choice

Which of the following is a function of a valve?

• A) regulates the direction of the flow of blood through the heart
• B) regulates the amount of oxygen bound to hemoglobin
• C) regulates heart rate
• D) directs the movement of the cardiac impulse

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Definitions:

Correlational Study

A research method that examines the relationship between two or more variables without implying causation.

Flynn Effect

The steady increase over the past 100 years in IQ test performance, an increase believed to support the environmental hypothesis of intelligence.

IQ Scores

Quantitative measurements used to assess an individual's cognitive abilities and intellectual potential relative to a population.

Increase

The process of becoming or making something larger or greater in size, amount, intensity, or degree.