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Respiratory System 1
MrsSzillus212
| Term | Definition |
|---|---|
| alveoli | tiny air filled pouches or sacs in the lungs |
| bronchi | the two tubes that connect the windpipe to the lungs |
| capillaries | tiny blood vessels. Capillaries surround each alveoli in the lungs. |
| carbon dioxide | the gas that is made when oxygen combines with food |
| cells | the building blocks of all living things |
| cilia | tiny hairs in the air passages. Cilia wave back a nd forth like paddles to push mucus toward the throat. |
| diaphragm | the dome shaped muscle below the lungd that is used in breathing. |
| larynx | the voice box. |
| epiglotis | the flap that closes over the larynx when you swallow |
| lungs | spongy sacks in the chest that put oxygen into the blood and take carbon dioxide out of it |
| mucus | a thick, sticky liquid that traps germs and dirt in the air passages. |
| oxygen | the gas that combines with food to release energy |
| pharynx | the throat. Passages from the nose and mouth connect to the pharynx. |
| ribs | bones that surround the lungs like a cage |
| trachea | the windpipe. The trachea connects the larynx to thr bronchi |
| vocal cords | two stretchy bands inside the voicebox that vibrate and make voice sounds |