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Biology, 22.06.2019 05:50
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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Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast
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As an asteroid comes close to earth, it's name will change to? apex
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Biology, 22.06.2019 14:30
Fill in the blank with the best word to complete the sentence. white blood cells protect against and aid in blood clotting when injuries are sustained.
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Name several animals that do engage in damaging fights...
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