ederliepineda04An adult heart has a mass of 250–350 grams (9–12 oz). The heart is typically the size of a fist: 12 cm (5 in) in length, 8 cm (3.5 in) wide, and 6 cm (2.5 in) in thickness. Well-trained athletes can have much larger hearts due to the effects of exercise on the heart muscle, similar to the response of skeletal muscle.
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YoongiSuga
An Adult heart has a mass of 250-350 grams(9-12oz). The heart is typically the size of a fist:12cm(5in) length,8cm(3.5in)wide, and 6cm(2.5in) thickness
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