Chapter 16 – The Respiratory System
16.1
Introduction
Primary Function: obtaining oxygen
and removing carbon dioxide
Other functions: Filter air, produce
sounds, sense of smell, regulation of blood pH
Respiration:
the process of gas exchange between the atmosphere and body cells
- Movement of air into the lungs
– Ventilation
- Gas exchange between blood and
air (external respiration)
- Gas transport in blood
- Gas exchange between the blood
and body cells (internal respiration)
Cellular
Respiration – the process of oxygen use and CO2 production at the cellular
level
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