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.
Cremation is the process of reducing human remains to its basic elements in the form of bone fragments through flame, heat and vaporization (usually 1800 - 2000 degrees Fahrenheit for two hours or more.) Cremation occurs at a crematory in a special kind of furnace called a cremation chamber or retort.