62 540
Assignments Done
98,7%
Successfully Done
In June 2018

Answer to Question #3951 in Physical Chemistry for sharon

Question #3951
The blood recieves an excess of carbon dioxide (CO2) from metabolic activities which slightly lower blood pH,
yet the pH of the blood remains relatively constant. Explain how CO2 is buffered in the blood causing stabilisation of blood pH
Expert's answer
In blood, CO2 reacts with water and forms carbonic acid (H2CO3). This acid dissociates (to H+ and HCO3-) and can lower blood pH, but there are 4 buffering systems, that work simultaneously and prevent blood pH from changing. The systems are called bicarbonate, phosphate, haemoglobin and protein buffering systems. This systems has acceptors of protons (such as COO- groups of proteins and haemoglobin, HCO3- and NaHPO42-) which react with proton that is created when CO2 dissolves in blood, so the proton is neutralized. Thus, the amount of protons is stable and blood pH does not change.

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be first!

Leave a comment

Ask Your question

Submit
Privacy policy Terms and Conditions