chest cavity

Why Does The Size Of The Chest Cavity Increase During Inhalation?

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Why Does The Size Of The Chest Cavity Increase During Inhalation? When the lungs inhale, the diaphragm contracts and pulls downward. At the same time, the muscles between the ribs contract and pull upward. This increases the size of the thoracic cavity and decreases the pressure inside. Is size of chest cavity increases during inhalation?

What Divides The Abdominal Cavity From The Pelvic Cavity?

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What Divides The Abdominal Cavity From The Pelvic Cavity? There’s no membrane that separates out the abdominal cavity from the pelvic cavity so it is sometimes referred to as the abdominal pelvis or the peritoneal cavity. There are many diseases and disorders associated with the organs of the abdominopelvic cavity. What divides the peritoneal cavity?