In the Alveoli of the Lungs, the capillaries are being given oxygen through diffusion. Where is concentration of CO2 highest: - The pasma at the start or the Red Blood cell at the start.

d) center of the mid-ocean ridge

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scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.