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Biology, 21.06.2019 18:40
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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Biology, 21.06.2019 19:50
Which conditions need to be in balance for cells to function? check all that apply. blood sugar food intake body water body temperature body mass
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Biology, 22.06.2019 06:00
When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?
Answers: 1
Biology, 22.06.2019 16:30
Which of the following cognitive skills have not been displayed by animals? a. using tools b. forming concepts c. transmitting culture d. using syntax
Answers: 1
As water gets denser, how does it move?...
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