The Thyroid Gland Produces a Hormone Which

question 22

Multiple Choice

The thyroid gland produces a hormone which

• A)regulates growth and general metabolism.
• B)regulates the calcium and potassium levels in the blood.
• C)regulates the body's immune system.
• D)all of the above

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Definitions:

Independent Variable

A variable in an experiment that is manipulated or changed by the researcher to study its effects on the dependent variable.

Extraneous Variable

A variable that is not of interest in a study but may affect the outcome of the experiment if not controlled.

Control Group

In research, a control group is a group of subjects not exposed to the experimental treatment, used as a benchmark to measure the effect of the treatment.

Independent Variable

A variable that is manipulated in an experiment to see its effect on a dependent variable.