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Biology, 22.06.2019 05:50, lexi1268
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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Give an example of a trait that is controlled by more than one gene.
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What is the next step in muscle contraction after the actin changes shape
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The response is the basis for vaccination. primary secondary tertiary none of the above...
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