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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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Biology, 22.06.2019 10:00
What are the proteins in connectivity tissues of your foot examples of?
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Biology, 22.06.2019 11:30
Which structure in the cardiovascular system connect arteries to veins?
Answers: 1
1. Why is it a good idea for humans to create models of how populations are changing?
What do model...
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