simple diffusion
Gaseous exchange happens through diffusion.
Gaseous exchange takes place when the volume of the chest cavity is increased or decreased.
gaseous exchange
Gaseous exchange is a natural process, ventilation is a forced process.
The site for gaseous exchange is the lungs. Carbon dioxide is exhaled and is substituted for oxygen which is inhaled.
It is because Co2(carbon dioxide) is transferred to the plant and the plant makes the Co2 Oxygen.
gaseous exchange - in the alveolis
alveoli is the site for gaseous exchange. They are the air filled sacs where carbon dioxide and oxygen is exchanged
RESPIRATION
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the lungs