Labels:animal | background | bag | bulletin board | door | hakham | monitor | person | poster | sky | traffic light OCR: HELP The Heart Your heart S kind of pump made of muscle: 1t sucks blood from the veins and then forces it out through the arteries weighs only 300 grams It beats about 09 or 70 times minute when you are resting, much more when you are active :pumps at least litr res of blood around your body every minute During an average lifetime it beats 2 500 000:000 times and pumps 340 milli ion Jitres of blood. litres blooa million
