6.4 Gas Exchange

Steve Harton
Mind Map by , created over 5 years ago

DP IB Biology (06 Human Physiology) Mind Map on 6.4 Gas Exchange, created by Steve Harton on 06/03/2014.

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Steve Harton
Created by Steve Harton over 5 years ago
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6.4 Gas Exchange
1 NATURE OF SCIENCE
1.1 Obtain evidence for theories
1.1.1 Epidemiological studies have contributed to our understanding of the causes of lung cancer
2 Ventilation
2.1 Gas exchange
2.1.1 Cell respiration
2.1.2 Trachea + bronchi + bronchioles
2.1.2.1 Alveoli
2.1.2.1.1 Cells
2.1.2.1.1.1 Type I cells
2.1.2.1.1.1.1 Thin alveolar cells that are adapted to carry out gas exchange
2.1.2.1.1.2 Type II cells
2.1.2.1.1.2.1 Secrete a solution containing surfactant
2.1.2.1.1.2.1.1 Prevent the sides of the alveolus adhering to each other
2.1.2.1.1.2.1.1.1 By reducing surface tension
2.1.2.1.2 Draw a diagram to show the structure of an alveolus and and adjacent capillary
2.2 Antagonistic muscle action
2.2.1 Diaphragm
2.2.1.1 Pressure changes inside the thorax that force air in and out of the lungs
2.2.2 External + Internal Intercostal muscles
2.2.3 Abdominal muscles
2.3 Monitoring of ventilation in humans at rest and after mild and vigorous exercise
2.3.1 Spirometer + LoggerPro
2.3.1.1 Ventilation rate
2.3.1.2 Tidal volume
3 Diseases
3.1 Aim 8
3.1.1 Causes and social consequences
3.1.1.1 Lung cancer
3.1.1.2 Emphysema

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