23
AssignmentMultiple Choice

Gas Exchange

Question 23 • *GV 2018 - P.E. Health Science Concepts - PE361

What is one role of the bicarbonate ions?

Answer
A
maintaining balance in the blood
B
removing oxygen from the body
C
producing plasma
D
binding with hemoglobin

Explanation

Bicarbonate ions help regulate the blood’s pH, keeping it from becoming too acidic or too basic. This makes maintaining balance in the blood the correct choice. They also help transport carbon dioxide, but they do not remove oxygen or produce plasma.

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