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8Respiratory System
Year 8 Future Thinking
| Term | Definition |
|---|---|
| intercostal muscles | muscles between the ribs |
| diaphragm | large and flat muscle at the bottom of the chest cavity |
| alveoli | tiny air sacs in the lungs where gas exchange occurs |
| bronchioles | airways in the lungs that branch from the bronchi |
| bronchi | two short branches located at the lower end of the trachea |
| trachea | the windpipe |
| epiglottis | stops food from going down the trachea |
| larynx | voice box |
| pharynx | throat |
| nose | warms, moisten and filters air |
| diffusion | passive movement from a high to low concentration |
| emphysema | tar build up in the lungs from long term smoking |
| breathe in | oxygen |
| breathe out | carbon dioxide |
| asthma | a disease that narrows airways |