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Respiratory System
Question | Answer |
---|---|
breathing | air moving in and out of the lungs |
cellular respiration | A reaction that occurs in ALL CELLS to turn glucose into usable energy (ATP). Oxygen and glucose are the reactants. The products are water, carbon dioxide and ENERGY. C6H12O6 + O2 → H2O + CO2 + ENERGY (ATP) |
inhale | taking air into the lungs, breathing in |
exhale | pushing air out of the lungs, breathing out |
epiglottis | a flap at the top of the trachea that prevents food from going down the trachea |
trachea | also called the windpipe, this is the tube made of cartilage that carries air to your lungs |
bronchi | the two tubes that split off of the trachea and go to each lung |
lungs | the two large organs in the chest where gas exchange occurs. used for breathing. They have a spongy structure. |
alveoli | very tiny air sacs inside the lungs where gas exchange occurs |
diaphragm | the flat muscle beneath your lungs that contracts and relaxes to help move air in and out of your lungs |
cellular waste | substances that your cells no longer need, that may build up to toxic levels if they are not removed (includes carbon diooxide, water, salts, and many other substances) |
oxygen | a respiratory gas needed by cells to make energy |
carbon dioxide | a waste gas from cells that needs to be removed from the body |
BTB | an indicator chemical called bromothymol blue that turns yellow in the presence of CO2 in water (because CO2 in water makes a weak acid). It turns back to blue if the CO2 is removed from the water by photosynthesis of water plants. |
carbonic acid | the acid produced when CO2 is bubbled through water |
photosynthesis | A reaction that occurs in plant cells (in the chloroplasts) that produces glucose & oxygen from water, ( CO2 & sunlight H2O + CO2 + sunlight → C6H12O6 + O2 ) |