PE - controle of breathing

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control of breathing

exercise = increase in CO2

increase in CO2 = increase in acidity

detected by the chemoreceptors

nerve inpulses to respiratory center in the medulla

nerve impulses to breathing muscles = intercostals and diaphram

increase in breathing = deeper and faster breathing

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how carbon dioxide is transported in the blood

7 %  dissolved in plasma

23 %  combines with heamoglobin (proteins) = carbaminohaemoglobin

70 %  transported as a bicarbonate ion = hydrogen carbonate ion

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