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What part of the respiratory system contracts when you inhale?
answer: diaphragm at the bottom of the chest cavity is a muscle called the diaphragm. when the diapragm contracts, the chest cavity becomes larger.
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
When the diaphragm contracts the chest cavity is?
Depression results when the muscle fibers of the diaphragm contracts.
What parts of the respiratory system when you inhale?
answer: diaphragm at the bottom of the chest cavity is a muscle called the diaphragm. when the diapragm contracts, the chest cavity becomes larger.
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 is the Deepest muscle of the chest?
The diaphragm is the deepest muscle of the chest. It is a dome-shaped muscle that separates the thoracic cavity from the abdominal cavity and plays a crucial role in breathing by helping to expand and contract the lungs.
What separates the abdomen and the chest cavity?
The diaphragm separates the chest from the abdomen and pelvis
Is a sheet of muscle located beneath the lungs that is used to expand and contrast the chest cavity of mammal?
diaphragm
When you breathe in what expands?
When you breathe in, your diaphragm muscle contracts and moves downward, causing the chest cavity to expand. This expansion lowers the air pressure in the lungs, allowing air to flow in through the nose or mouth.
Which is the major muscle for breathing?
The Diaphragm.When the diaphragm contracts, it increases the size of the thoracic cavity (chest), which lowers the air pressure, causing outside air to flow in.The external intercoastals are also used in breathing. They are the muscles on your ribs, that pull on your rib cage and help to expand the chest cavity.
What muscle expand chest cavity upward during inspiration?
The diaphragm (a sheet of muscle underneath the ribcage) and intercostal muscles (located between your ribs).
The muscle that the lungs rely on to take in and expel air is what?
The diaphragm is the main muscle responsible for breathing. When it contracts, it enlarges the chest cavity and creates a vacuum that allows the lungs to expand and take in air. When it relaxes, the chest cavity decreases in size, forcing air out of the lungs.
