Orangutans have the slowest known life histories of any mammal. They take the longest time to grow up and they are the slowest to reproduce. The female orangutanâs menstrual cycle is 29 to 32 days, with menstruation lasting three to four days. The gestation period is approximately eight and a half months. Usually a single offspring is born, weighing about 3 Â½ pounds.
Category:Human remains (archaeological) Human remains are an important type of artefact studied by archaeologists. Human remains provide direct evidence of human existence and scientific study can yield information on aspects of their lifestyle including diet, disease, age at death and injuries suffered during their lifetime. Subcategories.
Hereâs a video showing the cremation of human body. During incineration, the body is exposed to a column of flames produced by a furnace fueled by natural gas, oils, propane, etc. As the corpse is placed in a casket or container (preferably prepared from a combustible material), the container burns down.Next, the heat dries the body, burns the skin and hair, contracts and chars the muscles, vaporizes the soft tissues, and calcifies the bones so that they eventually crumble.s the corpse is placed in a casket or container (preferably prepared from a combustible material), the container burns down. Next, the heat dries the body, burns the skin and hair, contracts and chars the muscles, vaporizes the soft tissues, and calcifies the bones so that they eventually crumble.