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Respiratory System 1


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
Created by: MrsSzillus212