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Biology, 21.06.2019 18:40, abbypark0804
The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?
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Anton created a chart listing different types of materials. which best complete the chart?
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Biology, 22.06.2019 04:50, kannstyles709
What part of the brain is highlighted in the diagram below?
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Biology, 22.06.2019 08:10, viktoria1198zz
What is the next step in the process after a substrate enters the active site of an enzyme
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Name three things that the cardiovascular system transports....
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