CHA Respiratory Sy Word Scramble
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| Question | Answer |
| The _____________ involves those parts of the body that are concerned with breathing | Respiratory system |
| The ________ carries air, which contains oxygen from the pharynx to the lungs | Trachea |
| Cilia | The inner surface of the trachea is covered in tiny hairs called cilia |
| Exhalation | is the expulsion of air from the lungs through reducing the volume of the chest cavity. |
| 2 stage process of breathing | Inspiration and expiration |
| The function of alveoli | Is the exchange of gases |
| Diffusion | is the movement of substances from a high concentration to a lower concentration |
| Inspiration | Takes air into the lungs which causes the chest cavity to rise as the lungs fill |
| Expiration | is the air leaving the lungs when we breath out |
| Name the muscles that are involved in inspiration | Diaphragm and Intercostal Muscles |
| Describe the changes in the size of the chest cavity during inspiration | The diaphragm becomes dome-shaped, ribs are lifted upwards, and the chest cavity increases in volume |
| Describe the factors that assist the gaseous exchange process | Moist, thin walls, a large surface area, a short diffusion distance, alveoli are surrounded by capillaries |
| Tidal | The amount of air which enters the lungs during normal inspiration at rest The average tidal volume is 500ml The same amount leaves the lungs in exhalation |
| Residual | The amount of air left in the lungs following maximal exhalation There is always some air remaining to prevent the lungs from collapsing |
| Vital capacity | The maximal amount of air you can exhale after taking the deepest inspiration you possibly can. It could be up to 10 times more than you would normally exhale. |
| Spirometer | Lung volumes are measured |
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MissGriffithsPE
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