4971862
Description
Mind Map by Thomas Marshall, updated more than 1 year ago
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Created by Thomas Marshall
about 8 years ago
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Transport of CO2
- This comes from
a respiring body
cell
- 5% is
dissolved in
the blood
plasma
- 10-20% is carried bound
to haemoglobin called
carbaminohaemoglobin
- 75-85% is as
bicarbonate in
cells and plasma.
- CO2+H2O
- Carbonic anhydrase enzyme
- Carbonic acid
- HCO3- and H+
- H+ ions transported by Hb
as haemoglobinic acid.
This, therefore, shows Hb
as a blood buffer
- HCO3- the reacts with NA +
- Forms NaCO3
- Na comes from
the NaCl in the
blood
- Cl- then diffuses into the
cells to compensate for
the loss of bicarbonate
ions. This is called
chloride shift.
- Cl- then diffuses into the
cells to compensate for
the loss of bicarbonate
ions. This is called
chloride shift.
- Forms NaCO3
- Reversible
reaction
- Carbonic acid
- Reversible
reaction
- Carbonic anhydrase enzyme
- CO2+H2O
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