After death, a lot of internal organisms in the intestine will become very active. Escherishia coli and others will start multiplying, and the decomposition begins. First the intestine and the blood will be attacked, and when gas formation and other things leads to rupture of the intestine other organs will be attacked. Organs starts decomposing at different times after death, and may also be used in estimating time of death. The cadaver is swollen by gas produces internally, accompanied by odour of decaying flesh Black putrefaction Flesh of creamy consistence with exposed parts black.
Body collapses as gases escapes.
Odour of decay very strong Butyric fermentation Cadaver drying out. Some flesh remains at first, and cheesy odour develops. Click here for info .