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The respiratory syst

Ch 6

QuestionAnswer
External respiration/ breathing is taking in oxygen and giving out carbon dioxid
Tube leading from the nose to the lungs Trachea
the trachea divides into two tubes called bronchi
the bronchus divides into bronchioles
air sacs for gaseous exchange alveoli
muscles between the ribs intercostal
muscle under the lungs diaphragm
gas we breath in oxygen
gas we breath out carbon dioxide
gas in the air which remains unchanged during breathing Nitrogen
movement of gas diffusion
to breath in volume of lungs increases , pressure decreases air goes in
to breath out volume of lungs decreases , presses increases air goes out
average number of breaths per minute 16
to test for carbon dioxide use limewater. it goes from clear to milky white
the epiglottis covers the trachea
Created by: PDervin
 

 



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