However, in this organ of the excretory system, you will witness the absorption of leftover substances, including salts, minerals, vitamins and water. In this way, the majority of the waste and harmful substances is excreted out of the body in the form of semi-solid mass, called feces.
There is no such thing as petty or mean person who is happy with themselves; rather they would be described as insecure, jealous, angry, envious, spiteful, and in constant need of attention.
A Petty Officer Third Class is an E4. He or she would be equivalent to an Army or Marine Corporal. A Petty Officer is considered an NCO in other branches. They are junior leaders. They would be in charge of small working parties and minor details. They could have a few people working under them in a department or division. They aren't quite ready to be an LPO (Leading Petty Officer) but they do play a leadership role.