It's too late for me but stretch marks are perfectly preventable (sometimes, though, whatever you do you still get them) so here are some tips I give to my friends: Maintain a healthy skin. Drink lots of water (at least 2 litres every day) - not soda or juices - because it helps your skin stay elastic.
Last edited: June 27, 2015. The mediastinum is the central compartment of the thoracic cavity, located between the two pleural sacs. It contains most of the thoracic organs, and acts as a conduit for structures traversing the thorax on their way into the abdomen.
Confidence votes 16.6K. The heart is in the thoracic cavity in a part called the mediastinum. It is protected by the pericardium, a membranous sac that surround the heart. The mediastinum is that space in the thoracic cavity between the lungs that contains the heart.It also contains the aorta, esophagus, trachea and thymus. The pleural cavity is the space in the chest between the lungs.t is protected by the pericardium, a membranous sac that surround the heart. The mediastinum is that space in the thoracic cavity between the lungs that contains the heart. It also contains the aorta, esophagus, trachea and thymus. The pleural cavity is the space in the chest between the lungs.