Two Variables Are Said to Be Negatively Correlated If Their

question 61

Multiple Choice

Two variables are said to be negatively correlated if their values

• A) are always negative.
• B) only decrease but never increase.
• C) tend to move in the same direction.
• D) tend to move in opposite directions.

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Definitions:

Cardiac Veins

Blood vessels that return deoxygenated blood from the myocardium (heart muscle) to the right atrium.

Coronary Vessels

Blood vessels that supply blood to the heart muscle, including coronary arteries and veins.

Pulmonary Arteries

The arteries that carry deoxygenated blood from the heart to the lungs for oxygenation.

Coronary Arteries

The arteries that supply blood to the heart muscle, essential for its function and health.