Gases and Respiration : Respiration | Biology | Science | Class 10

Gas Pressure and Respiration. ... Air is a mixture of gases: primarily nitrogen (N2; 78.6 percent), oxygen (O2; 20.9 percent), water vapor (H2O; 0.5 percent), and carbon dioxide (CO2; 0.04 percent). Each gas component of that mixture exerts a pressure.

# Gases and Respiration
# Gases and Respirationlesson
#class10biology

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