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This item is also available in Resources: Topic 7 Respiratory system.
Week 1 Respiratory structures and ventilation
1.1 Structure of the respiratory system
As you have seen throughout this module, oxygen (O2) is a critical component for human life and is needed for the homeostatic maintenance of all the body’s tissues and organs.
Cellular respiration, the process by which ATP energy is made, is dependent on a constant supply of O2. At the same time
This item is also available in Resources: Topic 7 Respiratory system.
Week 1 Respiratory structures and ventilation
1.1 Structure of the respiratory system
As you have seen throughout this module, oxygen (O2) is a critical component for human life and is needed for the homeostatic maintenance of all the body’s tissues and organs.
Cellular respiration, the process by which ATP energy is made, is dependent on a constant supply of O2. At the same time, this process generates the waste product carbon dioxide (CO2), which must be continuously removed. The process by which O2 and CO2 are exchanged between the body and the environment is termed external respiration. On average, an adult takes between 12 and 18 breaths a minute at rest, exchanging more than 8000 litres of air per day.
Pulmonary ventilation, the movement of air into and out of the lungs, involves the main structures of the respiratory system (Figure 1.1). They include:
the lungs
a system of airways that deliver the air to the blood vessels of the lungs
the musculoskeletal system that ventilates the lungs, this process generates the waste product carbon dioxide (CO2), which must be continuously removed. The process by which O2 and CO2 are exchanged between the body and the environment is termed external respiration. On average, an adult takes between 12 and 18 breaths a minute at rest, exchanging more than 8000 litres of air per day.
Pulmonary ventilation, the movement of air into and out of the lungs, involves the main structures of the respiratory system (Figure 1.1). They include:
the lungs
a system of airways that deliver the air to the blood vessels of the lungs
the musculoskeletal system that ventilates the lungs
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