respiratory
Help!
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| list 2 ways the trachea and the esophagus are alike. | 1. both are tubes
2. both lead to hollow organs(bad one)
3. carry substances
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| list 3 ways the trachea and the epiglottis are different. | 1. E carries food vs. t carries air
2. e is made sm muscle vs.t is made of cartilage
3.digestive system vs. respiratory system
4. e can close when contracting food vs. t always stays open so you don't suffocate.
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| what causes choking? | Choking is caused by the epiglottis not flapping down so food enters the trachea.
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| Where are cilia found? | cilia are found in the trachea and the bronchi.
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| What do cilia do? | cilia keep the trachea and bronchi clean by waving around which moves small particles and mucus around to the top of trachea so it can be swallowed. cilia are active!!!
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| why is it better for the lungs to be made of millions if alveoli instead of one big sac like a balloon? | It is better because millions of small sacs covered with capillaries provide more room for gas diffusion in the lungs than one big sac. MORE SURFACE AREA FOR GAS EXCHANGE!!!
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| Explain what happens to your ribs diaphragm and lungs when you inhale. | ribs- contract to help move air
diaph- contracts to allow air into lungs
lungs- expand from being filled with air
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| list problems that can affect the respiratory system and their causes | pneumonia, choking-food in trachea, bronchitis- inflamed bronch(i/us), hiccups- vigorous contractions(spasms) of the diaphragm
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| what does the respiratory system do for other body systems? | the respiratory system provides oxygen for cellular respiration and gets rid of co2 from cellular respiration.
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| Why does the respiratory system need other body systems/ | circulatory- deliver its oxygen, deliver it co2 and bring it's cells nutrients.
immune- destroy diseases affecting it
digestive- provide nutrients for it to use for cellular respiration
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