Oxygen in the Respiratory System

By Robbie Noto, Matt O'Connor, Tyler Walsh

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Step 1

I entered the body through the nose or mouth.
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Step 2

I traveled past the Pharynx and Larynx and Trachea.
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Step 3

I then entered the lungs. It was a very rough ride!
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Step 4

When I was in the Lungs, I found that they were surrounded by tiny air pockets called Capillaries.
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Step 4

I then entered the bloodstream, and traveled to the heart.
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Step 5

When I entered the heart, I was pumped into cells.
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Step 6

When i (oxygen) was in the heart, I was then pumped to cells, and converted into energy.

How we were made and brought into the human body

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As a result of a plant needing food and energy, Carbon Dioxide is put into the chloroplast, and from it we (Oxygen) are created and brought into the atmosphere where animals inhale us.