It is called pneumothorax. "Pneumo" is the medical root word for "air" or "lung(s)". "Thorax is the medical root word for "chest" or "chest cavity". Never be intimidated by "medicalese" or "medical technobabble". All those intimidating sounding words are made of simple building blocks, namely medical root words. You can always look them up on Wikipedia or at The National Institute of Health's website: nih.gov/ (-:
Pneumothorax
The condition in which there is air inside the thoracic cavity and outside of the lungs is called a pneumothorax.
The thoracic cavity is the anatomical region with the lungs being situated inside the right and left pleural cavities that flank the pericardial cavity .
Those in the Thoracic Cavity are the heart and lungs. ' The Abdominal Cavity holds the digestive organs.
When the diaphragm is pulled down, the volume of the thoracic cavity increases, and the air pressure in the thoracic cavity decreases. This causes inhalation.
Neither. The main cavity is called the abdominopelvic cavity. A sub-cavity inside that is the pelvic cavity. That is where you will find the organs of reproduction. The dorsal cavity is along your back and skull. The thoracic is where your heart and lungs are. The abdominal cavity is a sub-cavity of the abdominopelvic cavity, its where your stomach and other related organs are.
reduces intra-thoracic pressure which creates suction that draws air into lungs
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inhalation/inhale it also causes a decrease pressure in thoraces cavity and pleural cavity
No, the heart is placed more towards the left lung, anterior to the vertebral column and posterior to the sternum. That is why in 95% of the world population there are only two lobes on the left lung and three on the right.
The diaphragm supports the lungs inside the thoracic cavity. It is necessary for it to form a tight seal so that the lungs cannot be compromised.
Your lungs could not take in more air without it leaking out; you could not breathe in and out. Technical Explanation: The pressure would be the same inside and outside the lungs — air and waste products would not be forced in and out of the lungs. (You could not change the size of the thoracic cavity if there was a leak in it.)
As your diaphragm expands, the pressure in your thoracic cavity decreases. Air rushes into the partial vacuum, and you inhale.