Chapter 5 RESPIRAION Introduction o Containing: inspiration expiration o Functions: Obtain o from external environment Remove co form the body o Respiratory processes: Pulmonary ventilation Gas exchange in the lung Gas transport in the blood Gas exchange in the tissueChapter 5 RESPIRATION Introduction • Containing: inspiration & expiration • Functions: Obtain O2 from external environment Remove CO2 form the body • Respiratory processes: Pulmonary ventilation Gas exchange in the lung Gas transport in the blood Gas exchange in the tissue