How are doctors able to determine the levels of say your cholesterol, triglycerides, glucose etc. through a few blood samples from one site? I can’t imagine all of the stuff would be in the one area you’d take a blood sample from, right?
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The blood circulation system is sort of like a carburetor in that it’s designed to maximize diffusion thought the change of blood pressure and speed. If your body wasn’t excellent at this process, oxygen wouldn’t be carried to the cells and random bits of your body would die.
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