Mr. Adams' Washburn Site
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Understandings:
Oxygen dissociation curves show the affinity of hemoglobin for oxygen
.
Carbon dioxide is carried in solution and bound to hemoglobin in the blood
.
Carbon dioxide is transformed in red blood cells into hydrogen carbonate ions
.
The Bohr shift explains the increased release of oxygen by hemoglobin in respiring tissues
.
Chemoreceptors are sensitive to changes in blood pH
.
The rate of ventilation is controlled by the respiratory control centre in the medulla oblongata
.
During exercise the rate of ventilation changes in response to the amount of CO2 in the blood
.
Fetal hemoglobin is different from adult hemoglobin allowing the transfer of oxygen in the placenta onto the fetal hemoglobin
.
Applications:
Consequences of high altitude for gas exchange
.
pH of blood is regulated to stay within the narrow range of 7.35 to 7.45
.
Causes and treatments of emphysema
.
Skills:
Analysis of dissociation curves for hemoglobin and myoglobin
.
Identification of pneumocytes, capillary endothelium cells and blood cells in light micrographs and electron micrographs of lung tissue
.
Nature of Science:
Scientists have a role in informing the public—scientific research has led to a change in public perception of smoking
.
Powerpoints
d.6_transport_of_respiratory_gases.pptx
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1768 kb
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pptx
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d.6_transport_of_respiratory_gases.pptx
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762 kb
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pptx
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Homeworks
Helpful Links & Articles
Oxygen curve shift/affinity explanations
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