The larger these peaks and valleys are, the harder it is to slide the object. You can learn more about friction in How Brakes Work. A clutch works because of friction between a clutch plate and a flywheel. We'll look at how these parts work together in the next section.
You should take children older than 3 months to the emergency room (ER) for a fever if the fever is more than 104 degrees for a long period of time. Ice them down first and then bring them to the ER.
Rectal. Because it's the most internal and therefore the most accurate measurement, many doctors recommend taking a rectal temperature -- for two to three minutes with a mercury thermometer -- in babies and children 3 years of age and younger.ectal. Because it's the most internal and therefore the most accurate measurement, many doctors recommend taking a rectal temperature -- for two to three minutes with a mercury thermometer -- in babies and children 3 years of age and younger.