Question

A slight change in pH can harm the cell.
Changes in the pH of blood are moderated at a safe level through the use of certain substances.
What substance acts to prevent sudden pH changes in bodily fluids?

a1* buffer
B2* salt
C3* base
D4* acid

Answer 1

Answer:

a1* buffer

Explanation:

To buffer means “to cushion or protect.” Buffers are weak acids or bases that react with stronger acids and bases to prevent sudden changes in pH in the fluids of living organisms.

So, the correct answer is buffer! Hope this helps :)

Answer 2

Answer: Option A

Buffer

Explanation:

Buffer is an aqueous substance that prevent or alter rapid or large sudden pH changes in body fluid or when acid or base is added. Buffers are either weak acids or weak base. Buffer neutralize acids or base there by maintaining pH balance in the body fluids or solution.