Question

Which of the following is correct with respect to transport of carbon dioxide in human body ?

(1)
at alveolar site pCO2 is low and leading to formation of H2CO3

(2)
Every 100 ml of blood deliver approximately 4 ml of O2 to the alveoli.

(3)
at alveolar site pCO2 is high and leading to formation of CO2 and O2

(4)
H2CO3 formed in blood plasma ionizes to form bicarbonates and hydrogen ions in the presence of enzyme carbonic anhydrase.

1) 2) 3) 4)
up

Answer 1

Answer:

may be the answer is 4

hope m right