A natural attraction; the tendency a molecule of haemoglobin has to bind with oxygen.
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Atrail systole
Contraction of the atria walls. This forces blood into the ventricles through the atrioventricular valves.
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Atrioventricular node
A group of cells in the heart walls, responsible for passing waves of electrical from the sino atrial node to the bundle of His.
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Atrioventricular valves
Valves in the heart linking the atria to the ventricles.
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Bohr effect
Increasing levels of carbon dioxide decrease the affinity of haemoglobin for oxygen. The curve shifts right. More oxygen is released to the actively respiring tissues.
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Bradychardia
The heart is beating too slowly; less than 60 bpm. The ECG peaks are too far apart.
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Other cards in this set
Card 2
Front
Contraction of the atria walls. This forces blood into the ventricles through the atrioventricular valves.
Back
Atrail systole
Card 3
Front
A group of cells in the heart walls, responsible for passing waves of electrical from the sino atrial node to the bundle of His.
Back
Card 4
Front
Valves in the heart linking the atria to the ventricles.
Back
Card 5
Front
Increasing levels of carbon dioxide decrease the affinity of haemoglobin for oxygen. The curve shifts right. More oxygen is released to the actively respiring tissues.
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