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Kin Respiratory 2
| Term | Definition |
|---|---|
| Partial pressure | The pressure of an individual gas within a mixture of other gases. Oxygen has a partial pressure in the air at sea level of approx 21%. Example: Partial Pressure of oxygen in air versus lungs |
| Diaphragm | A sheath of muscles that separates the thoracic cavity from the abdomen. It is responsible for 75% of the change in size of the thoracic cavity. |
| Internal Intercostal Muscles | Muscles that attach the ribs together. Are responsible for expiration of as much carbon dioxide as possible during exercise. |
| External Intercostal Muscles | Muscles that attach the ribs together. Are responsible for expanding the thoracic cavity during inspiration both at rest and during exercise. |
| Pressure Gradient | A difference in air pressures from one area to another. When in existence air will move from a place of high pressure to low pressure. Example: Lungs and outside air |
| Parietal Pleura | The outside layer of the lungs. Responsible to protect the lungs from damage. |
| Visceral Pleura | The inside layer covering the lungs. Responsible for protecting the lungs from damage. |
| Hemoglobin | A protein found in erythrocytes. Associates and dissociates with oxygen to deliver oxygen from the lungs to the tissues. Also carries iron throughout our body. |
Created by:
marissa1313
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