The answer is Production of organism, it happens in all
warm-blooded animals, and also in a few species of thermogenic plants for
example the Eastern skunk cabbage, the Voodoo lily, and the giant water lilies
of the genus Victoria, the lodgepole pine dwarf mistletoe. To keep the temperature up through shivering
has only one method, it produce heat because of the conversion of the chemical
energy of ATP into kinetic energy causing almost all of the energy to show up
as heat.