Capillaries are minute blood vessels that join onto the arterioles. They are one cell thick and are exchange points where the nutrients (oxygen and glycogen) cross into the tissue cells (muscles) from the arterioles.
An average human body takes from two to three hours to burn completely and will produce an average of 3 to 9 pounds (1.4 to 4.1 kilograms) of ash.The amount of ash depends usually on the bone structure of the person and not so much their weight [source: Ellenberg ].n average human body takes from two to three hours to burn completely and will produce an average of 3 to 9 pounds (1.4 to 4.1 kilograms) of ash.
The time taken to cremate will depend on many factors including body mass, bone density and the materials from which the coffin is manufactured. The average time for an adult cremation is 90 minutes at a temperature of between 800 and 1000 degree Celsius.he time taken to cremate will depend on many factors including body mass, bone density and the materials from which the coffin is manufactured. The average time for an adult cremation is 90 minutes at a temperature of between 800 and 1000 degree Celsius.