6.4 Gas Exchange

Descripción

DP (06 Human Physiology) IB Biology Mapa Mental sobre 6.4 Gas Exchange, creado por Steve Harton el 03/06/2014.
Steve Harton
Mapa Mental por Steve Harton, actualizado hace más de 1 año
Steve Harton
Creado por Steve Harton hace más de 10 años
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Resumen del Recurso

6.4 Gas Exchange
  1. NATURE OF SCIENCE
    1. Obtain evidence for theories
      1. Epidemiological studies have contributed to our understanding of the causes of lung cancer
    2. Ventilation
      1. Gas exchange
        1. Cell respiration
          1. Trachea + bronchi + bronchioles
            1. Alveoli
              1. Cells
                1. Type I cells
                  1. Thin alveolar cells that are adapted to carry out gas exchange
                  2. Type II cells
                    1. Secrete a solution containing surfactant
                      1. Prevent the sides of the alveolus adhering to each other
                        1. By reducing surface tension
                  3. Draw a diagram to show the structure of an alveolus and and adjacent capillary
              2. Antagonistic muscle action
                1. Diaphragm
                  1. Pressure changes inside the thorax that force air in and out of the lungs
                  2. External + Internal Intercostal muscles
                    1. Abdominal muscles
                    2. Monitoring of ventilation in humans at rest and after mild and vigorous exercise
                      1. Spirometer + LoggerPro
                        1. Ventilation rate
                          1. Tidal volume
                      2. Diseases
                        1. Aim 8
                          1. Causes and social consequences
                            1. Lung cancer
                              1. Emphysema
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