Blood flow – The build up of fatty deposits inside an artery can cause the artery walls to narrow which makes blood harder to flow and as a consequence becomes noisier.
Mtiririko wa damu – kujenga juu ya amana za mafuta ndani ya artery inaweza kusababisha artery kuta nyembamba ambayo inafanya damu vigumu kati yake na kama matokeo inakuwa noisier.