CO2 being carried in the blood

Question 1

What three ways that CO2 is transported in the blood?

Answer 1

1. dissolved in the plasma
2. bound to haemoglobin
3. converted to bicarbonate

Question 2

How is bicarbonate formed from CO2?

Answer 2

CO2 + H2O –> H2CO3- –> H+ + HCO3-

Question 3

Which enzyme converts CO2 into carbonic acid?

Answer 3

carbonic anhydrase

Question 4

How much of the CO2 dissolves into the plasma?

Answer 4

7%

Question 5

Of the CO2 that diffuses into the red blood cells, some is bound to haemoglobin. What is this called?

Answer 5

carbaminohaemoglobin

Question 6

What happens to the HCO3- which is formed in the red blood cells?

Answer 6

they move into the plasma