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The diaphragm (a sheet of muscle underneath the ribcage) and intercostal muscles (located between your ribs).
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∙ 15y ago
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∙ 12y agoThe muscles that expand the chest cavity during inspiration are the external intercostal muscles.
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∙ 13y agoThe External Intercostal Muscles
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∙ 12y agoThe breath you breathe in
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∙ 10y agoAsk Ms.Tanca
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∙ 11y agochest muscles
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∙ 11y agodiaphragm
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∙ 11y ago. Diaphragm
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What muscle or muscles expand the chest cavity by rotating the ribs upward contibuting to inspiration?
What muscle expand the chest cavity by rotating the ribs upward, contributing to inspiration
What muscle contracts to expand the chest cavity?
The Diaphragm
What is the dome-shaped muscle under the thoracic cavity and what are its functions?
The dome-shaped muscle under the thoracic cavity is the diaphragm. Its function is to contract to increase the volume of the thoracic cavity, thereby decreasing pressure in the lungs and causing inspiration.
What muscle are contract during inspiration?
diaphragm
Which muscle during inspiration doesn't contracted?
The diaphragm.
Is a sheet of muscle located beneath the lungs that is used to expand and contrast the chest cavity of mammal?
diaphragm
What is The tissue that allows the diaphragm flatten during inspiration?
Smooth muscle.
What sheet the muscle in your body cavity helps you during the breathing process?
Diaphragm
What sheet of muscle in you body cavity helps you during the breathing process?
Diaphragm
The muscle that separates the abdominopelvic cavity from the pleural cavity is what?
The muscle that separates the abdomen pelvic cavity and the pleural cavity is the diaphragm.
What happens to the diphgram when you inhale?
The diaphragm is a convex shaped muscle (convex side within the chest cavity).When the diaphragm muscle contracts it flattens out and drops down out of the chest cavity making more room and creating a vacuum -- air then rushes into the lungs.When the diaphragm relaxes it moves back up into the chest cavity and expels the air on the lungs. During inhalation, the increased volume of the lungs causes the ribcage to expand. Inhalation - Diaphragm CONTRACTS and moves DOWN (to allow more space in the chest cavity for lungs to expand).Exhalation - Diaphragm RELAXES and moves UP (to force air out of the lungs).
What muscles contract during inspiration?
The diaphragm, a large dome-shaped muscle, lies just under the lungs. Its upward dome-shape flattens, moving downward and expanding the thoracic cavity, during inspiration. The rib muscles simultaneously contract and pull the rib cage up and outward, further expanding the thoracic cavity. The increased volume of the thoracic cavity causes air to rush into the lungs. Exhalation occurs when the diaphragm and rib muscles relax, reducing the volume of the thoracic cavity. The expansion and contraction of the thoracic cavity occurs between 12 and 20 times each minute in adults.
