Oxygen is breathed into the lungs where it is moved from the lungs to blood vessels through the cell membrane. This is an example of what type of diffusion.
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This involves the transfer of oxygen from the air in the lungs to the blood. Show more…
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Oxygen and carbon dioxide are exchanged in the lungs and through all cell membranes by (a) active transport, (b) diffusion, (c) filtration, (d) osmosis.
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2. In most simple multicellular plants and in hydra, transport throughout the organism is a result of diffusion through A) tracheal tubes B) vascular tissue C) cell membranes D) gastrovascular cavities. 3. In the human body, oxygen is absorbed by the lungs and nutrients are absorbed by the small intestine. In a single-celled organism, this absorption directly involves the A) chromosomes B) cell membrane C) nucleus D) chloroplasts. 4. Which process accomplishes the movement of gases illustrated by the arrows in the diagram below?
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