Show the human II 11 heart fart the human heart is a hollow muscle of 0 a form placed between betwee lit the two lung lauga and il it iu the pericardium or sac gac the ordinary size of the heart in the adult Is about 5 incie i ili length 8 3 14 inches in breadth tit at the broadest part anti 21 acif 11 inches in thickness and its weight is from roin 10 to 13 12 ounces iu in men and from 8 to 10 ounces in in women dr denecke benecke of marburg has made ni ide known his obi ob on the growth ot of the human heart beart the fact appearing that the increase is greatest and most rapid durine the kirbt anti and second 3 ears of life its bulk at the end ot of the sen ond cod year being exactly double i n hat it ori originally i va as between the second and be hev euth bears ears it i almost double issize A slower rate of 0 growth crowth then sets in anti continues dui dining ing the of maturity of 0 other port portions ions of the budy body after the fifteenth year ill up to the fiftieth the annual growth of 0 llie lite heart is about of a cubic inch the increase ceasing about tile fiftieth year the bear t alt although bough so small is a wonderful piece of und and of great bohi r with each stroke or beat it projects ejects something like ilke C aj ounces of blood into thu the s or channels of the tho chobody body th thi owing lowing it for of nine feet IMS chis ia done 09 or au times u minute the number ot of iti aries in the sexes and according to po turc in the malu male it baits 81 N lilii hen and l ti alien in females beitia it in ill 01 64 80 lit in similar pisit positions lons respectively dostou boston herald |