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.
Six seats had the more reasonable minimum weight limit of 40 pounds. This makes sense because the growth of children between 30 and 40 pounds occurs at a slower rate than when they are infants. An average 40-pound child is typically closer to age five, a much safer age to consider making a transition to booster use.And many booster seats that can be used in both a highback and backless configuration have a higher minimum weight limit of 40 pounds when used in the backless mode.n average 40-pound child is typically closer to age five, a much safer age to consider making a transition to booster use. And many booster seats that can be used in both a highback and backless configuration have a higher minimum weight limit of 40 pounds when used in the backless mode.