Coolant flowing through the system absorbs and removes extra heat from the engine. The coolant then passes through the radiator where it cools off and is later circulated back to the engine to absorb heat again. A radiator has two tanks that are connected to each other through aluminum or brass tubes.
It is a hereditary dentin disorder. This condition is usually found with dentinogenesis imperfecta and has two types. The second type is associated with DSPP gene disorder and visible teeth abnormalities, whereas the first type leads only to teeth roots damage.
Cleft Chin and Genetics. The genetics of facial characteristics is a fascinating area and a cleft chin is actually caused by a dominant gene. This doesn't necessarily mean that if you happen to have a cleft chin, that all of your children will have this facial trait as well.