50.9 MB (3.7 MB compressed)
3458 x 5143 pixels
29.2 x 43.4 cm ⏐ 11.5 x 17.1 in (300dpi)
MARTIN DOHRN / SCIENCE PHOTO LIBRARY MARTIN DOHRN / SCIENCE PHOTO LIBRARY
Salt (sodium chloride) and chips. Sodium is an essential mineral in the body. It occurs in body fluids such as blood, sweat & tears. Its presence in the nervous system enables the transmission of electrical signals along the axon (sodium pump). The required dietary intake is debatable as are the consequences to the human body of over and under consumption.
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