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Lungs and breathing
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Describe your lungs during inhalation and exhalation
When we inhale, our lungs become bigger because they are filled with air. When we exhale, our lungs become smaller because the lungs push the air out.
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Where does the gas exchange happen?
in the alveoli
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What system do the lungs belong to?
respiratory
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After you inhale, where does the oxygen go down to get to your lungs?
Trachea >> bronchi >> bronchioles
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What is the function of the diaphragm?
support the lungs when we breathe
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What device do people use when they have asthma?
inhaler
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Where does the oxygen that we breathe get absorbed into the blood?
Alveoli
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Where do the lungs get carbon dioxide from?
Our body uses oxygen and releases carbon dioxide into the blood. The heart pumps deoxygenated blood to the lungs.
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Why do we breathe faster after we do exercise?
Replinish the oxygen stores. Turn lactic acid to glucose.
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What are the names of 2 branches that lead to the left and right lungs?
2 bronchi
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How many times does an adult breathe in per minute in relax?
from 15 to 20 times
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What is the flow of air so that our bodies can get oxygen?
nose >> trachea >>bronhoi >> Bronchioles >> alveoli >> blood
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Does your diaphragm move upwards or downwards when you exhale?
move upwards to push the air out
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What is the common disease with the respiratory system?
asthma
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Which lung is smaller?
left
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When you breathe in, what happened with your chest? And why?
The chest expands, because the lungs are filled with air
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What is the name for the windpipe?
trachea
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