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CHAPTER 2 RESPIRATORY SYSTEM - Coggle Diagram
CHAPTER 2 RESPIRATORY SYSTEM
The pathway of air and gaseous exchange
respiratory system
the series of organs responsible for taking in oxygen and expelling carbon dioxide
the parts
mouth
nasal passage
trachea
bronchus
branches of the trachea
bronchiole
branches of the bronchus
alveoli
branches of the bronchiole
small air sacks in the lungs where gaseous exchange takes place
gaseuos exchange
the process in the lungs whereby oxygen is delivered to the bloodstream while carbon dioxide is removed for it.
takes place in the alveoli
the process
oxygen passes from the alveoli into the blood
oxygenated blood leave
carbon dioxide passes from the blood into the alveoli
deoxygenated blood enters
the capillary
1 cell thick
controls what goes into the bloodstream
the mechanics of breathing
air flows in
diaphragm flattens
intercostal muscles contract
ribs move up and out
air flows out
diaphragm domes up
intercostal muscles relax
ribs move down and in
breathing volumes and minute ventilation
tidal volume
the volume of air you inhale with each breath during normal breathing rates
minute ventilation
the volume of air, in litres, that you breath per minute
tidal volume x number of breaths = minute ventilation
vital capacity
the maximum volume of air you can breathe out
residual volume
the volume of air left in your lungs after breathing out