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Trace a molecule of O2 from the atmosphere to a cell of the frontal lobe of the brain. Then trace a molecule of CO2 from a cell of the frontal lobe of the brain to the atmosphere. This should be written in paragraph form and have a smooth flow from atmosphere to cell and back to the atmosphere. Include all body parts each molecule touches, travels in, or travels through.

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The pulmonary vein carries oxygenated blood to the heart from where the aorta carries it to the rest of the body.

What is respiration?

Respiration is the process of taking in oxygen and giving out carbon dioxide. When an organism breath in oxygen in air, the oxygen enters in through the nose, passes through the wind pipe and goes to the lungs.

The pulmonary vein carries oxygenated blood to the heart from where the aorta carries it to the rest of the body. This is how oxygen gets to a cell in the frontal lobe of the brain.

CO2 is carried back to the lungs in the blood steam and then exhaled to the exterior.

Learn more about respiration: https://brainly.com/question/1439976

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