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In an experiment,a researcher manipulates one variable to see how it affects a second variable.The second variable,which is observed for any possible effects,is called the __________.
Left Ventricle
The chamber of the heart that pumps oxygenated blood out to the body through the aorta.
Systolic Pressure
The pressure in the arteries when the heart beats and the ventricles are pumping blood.
Aneroid Sphygmomanometer
A type of blood pressure monitor that uses a gauge without liquid (aneroid) to measure blood pressure.
Axillary Thermometer
A thermometer designed for measuring body temperature by placing it in the armpit (axillary area).
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