100000 - the number of times your heart beats in a day, 5 - the number of litres of blood in your body, 23000 - the number of litres of blood that your heart pumps in a day, 100000 km - the length of the blood vessels in your body, 74000 - the number of deaths caused by heart disease in the UK each year,

Gateway B1+ Unit 7 Heart issues

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