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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 |