On the topic of the respiratory system
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Aperson who uses a computer at a desk does not have to worry about safety in the workplace. true or false
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What protects the lining of the stomach from acidic gastric juices?
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What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?
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The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes
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