proton pumps are like tiny merry-go-rounds for ions

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Categories: Comparisons

An example of simile in popular science writing

"Parietal cells dotted around the surface of the stomach are equipped with proton pumps, which are like tiny merry-go-rounds for ions."

Catherine Carver

Carver, C. (2017). Immune. How your body defends and protects you. Bloomsbury Sigma. (Read about this book: 'Disease and immunity – a biological myth')

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Author: Keith

Former school and college science teacher, teacher educator, research supervisor, and research methods lecturer. Emeritus Professor of Science Education at the University of Cambridge.