Causes of Fluctuating Body Temperature. Naturally, your body changes its temperature to comply with the changes in your surroundings, which has been experienced by everyone. Your body will lose heat when the temperature of your surroundings is on the higher side.n the other hand, your body will try to keep it warm when the temperature in your surroundings is low. Your body completes the task by making your blood vessels to send blood from small capillaries to the warm parts of the body, which in turn signals your muscles to shiver.
Donât Skip a Step. 1  A child who has outgrown the internal harness or height limitations of a forward-facing child safety seat. 2  Within the range of 40 to 80 pounds but under 4â9â. Within 4 to 8 years of age and is at least 35â tall.
The laws vary based on age, height, and/or weight. For example, several states allow children the age of six and up or over 40 pounds to use the regular seatbelt without a booster seat. But as Elliott.org points out, there are safer guidelines from SafeKids.org regarding not just weight but height: Kids should be at least 4â9â tall and weigh at least 80 pounds before transitioning out of the booster. The American Academy of Pediatrics says kids between 8 and 12 years of age should be in booster seats.