Respiratory System

which waste material is removed by the respiratory system?

supply oxygen for the metabolic needs of the body

absorption of O2 and removal of CO2

gaseous exchanges between the cells of the body and their fluid medium.

movement of the air in and out of the respiratory system

Conducting passages

2 parts of the respiratory system

where absorption of O2 and removal of CO2 takes place

boundaries of the external nose

communication between nasal cavity and outside