In the stomach, food tends to hang around for a little longer and this depends on a variety of factors including the amount of food you have consumed, how much fat it contains, and also the acidity of the stomach. However, all food should have left the stomach within 2 to 4 hours.
Many factors can affect body temperature. Illness, Disease and Trauma. Fever can be caused by infection or illness; this is the bodyâs way of fighting the infection. Certain diseases, such as arthritis, hyperthyroidism and leukemia may also cause elevated body temperature.
The way in which the hypothalamus controls body temperature is that  it triggers changes to the sweat glands and muscles.The body can  then increase or decrease the amount â¦ of heat that is lost.rain. There is no specific body part that is made for controlling body temperature, and brain controls all the functions of the body, so it also controls the body temperature â¦ . 4 people found this useful.