Examples:
Respiratory System, (I think) Organ System, Circulatory System, Nervous System, etc.
The Ottomans were the first empire to use firearms and gunpowder.
You have a middle names because when you are born or even before your parents pick a name for youa first name and it is up to your parents when you are born you either dont or do get a middle name.
A) anaphase. It's when the pairs of chromosomes are pulled apart by spindle fibers.
