Question

When carbon dioxide pressure increases the capacity of haemoglobin to hold oxygen?
A increases many folds
B decrease
C remains constant
D is doubled

Answer 1

Explanation:

decrease

because body expells co 2 and ingale O2

Answer 2

Answer:

decrease...is correct

Explanation:

Since carbon dioxide reacts with water to form carbonic acid, an increase in CO2 results in a decrease in blood pH, resulting in hemoglobin proteins releasing their load of oxygen. Conversely, a decrease in carbon dioxide provokes an increase in pH, which results in hemoglobin picking up more oxygen

I hope...it helps u