Medical terminology is used to make communication easier how are words formed ?

Prefix: places at beginning. it can represent numbers, where something is or what time.

root: the basic meaning of the term

suffix: modifies the word

EXAMPLE:
myocarditis: inflammation of heart muscle
myo (prefix): muscle
card (root): heart
itis (suffix): inflammation

Depression is lifelong, though you can get medication to with it. the difference between sadness and depression is that sadness lasts a little bit, depression last a long time and it goes on and off. people usually get depression through experiences they have been through, or genetics.