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Respiratory System

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Respiratory System
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What happens when you breathe in?
your diaphragm expands and your ribcage contracts
* your diaphragm contracts and your ribcage expands
your diaphragm explodes and your ribcage contradicts 2
Air enters your lungs through the...
*trachea
esophagus
alveoli
3
how many lungs do humans have?
three
four
* two
4
what are bronchial tubes
*air passages inside your lungs
blood vessels insside your body
tiny air sacs that delivr oxygen to the blood
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what muscle allows you to breathe in and out?
the trachea
*the diaphragm
the tongue
6
how many lobes does your right lung have?
4
2
* 3
7
how many lobes does your left lung have?
4
*2
3
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when you breathe out, what gas does your body get rid of? nitrogen
carbon monoxide
* carbon dioxide
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which of the following is not a part of the upper respiratory system? *esophagus
pharynx
nose
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which of the following is not one of the most important muscles involved in respiratory movement? *glottis
diaphragm
external intercostal muscles
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which of the following is not one of the accessory respiration muscles? external and internal oblique
*trachea
transversus abdominis
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inhalation begins wtih the...
diaphragm
*nose
esophagus
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which of these doesnt occur when air flows into the lungs? thew air is filtered
the air is cooled
* the air is humidified
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blowing out a candle is an example of...
forced inhalation
liking the dark
* forced exhalation
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which of these is not part of the respiratory system?...