The process of breathing moves air in and out of the lungs. Sometimes this process is called respiration but it is important not to confuse it with the chemical process, cellular respiration, that takes place in the mitochondria of cells.Breathing is brought about by the movement of the diaphragm and the ribs. Animals need to breathe to supply the cells with oxygen and remove the waste product c arbon dioxide. 2  The lungs are situated in the pleural cavities of the thorax. 3  Gas exchange occurs in the alveoli of the lungs that provide a large surface area.
Insider trading is the trading of a public company's stock or other securities by individuals with access to nonpublic information about the company. In various countries, some kinds of trading based on insider information is illegal. This is because it is seen as unfair to other investors who do not have access to the information, as the investor with insider information could potentially make larger profits than a typical investor could make. The authors of one study claim that illegal insider
Proprietary trading. Proprietary trading (also prop trading) occurs when a trader trades stocks, bonds, currencies, commodities, their derivatives, or other financial instruments with the firm's own money, as opposed to depositors' money, so as to make a profit for itself.