Arrow wound case study

Arrow wound case study

Question 1

When the arrow entered the chest cavity, it penetrates through a serous membrane in the chest cavity. The membrane is called pleural membrane. The pleural membrane is divided into the parietal pleura and the visceral pleura the space between them is known as pleural cavity.

The pleural membranes are located on the outer side of the lungs and the inside of the rib cage. The pleuron consists of the visceral and parietal cell layers. It  comprises of squamous epithelial cells of mesothelial descent. Both the visceral and parietal membranes are made up of one layer of epithelial cells that are held to lamina propria. The pleura reduces friction by lubricating the lung with pleural fluid. It also helps keep the lung in position.

Question 2

The autonomic nervous system is the part of the nervous system that coordinates various involuntary activities in the body like breathing. It comprises of two adversary sets of nerves the sympathetic and parasympathetic nervous systems. The earlier connects internal organs to the central nervous sy

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