Why a Chest Tube is Placed. A chest tube is placed for a variety of reasons. One reason, as you mentioned, is to help the lung re-inflate when someone has a collapsed lung, also known as a pneumothorax. In that circumstance, a chest tube is inserted along the side of the ribs to allow the lung to reinflate.
A. Osmosis is the passive movement of water from an area high in water concentration, across a semi-permeable membrane, to an area low in water concentration.
Figure 8â6 Deep-water and shallow-water waves. (a) Wave profile and water-particle. motions of a deep-water wave, showing the diminishing size of the orbits with increasing depth. (b) Motions of water particles in shallow-water waves, where water motion extends to ocean. floor.