<span>The membrane lining the interior of the thoracic cavity is called the 3. parietal pleura.
Thorax is the part between the neck and the abdomen. Parietal, in anatomy, refers to the walls of a hollow structure, such as the thoracic cavity in the human body. Pleurae are the sacs surrounding your lungs.
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Answer:
Explanation:
The speed of the sound wave is:
The frequency is:
