Do all humans have the same number of veins and arteries? If so, how does the body know how many and where to make these veins and arteries?
In: Biology
DNA contains sequence of genes which in fact is functional design specification of a body. According to this specificaton body know how to develop. Basically almost all humans have the same number of veins and arteries, but sometimes deviations may occur due to “typos” in specification.
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