Use the Key to Choose the Best Answer

question 8

Multiple Choice

Use the key to choose the best answer.
-(1) pH in the stomach during digestion
(2) pH in the duodenum during digestion

• A)First item is greater than the second item.
• B)First item is less than the second item.
• C)First item is equal or nearly equal to the second item.

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Definitions:

Cilia

Microscopic, hair-like structures on the surface of cells, moving fluid or mucus across the cell surface.

Absorption

The process by which substances are taken up by the body, often referring to nutrients and drugs through the gastrointestinal tract.

Mitochondria

Membrane-bound cell organelles responsible for generating most of the cell's supply of ATP, used as a source of chemical energy.

ATP Production

The process of generating adenosine triphosphate, a molecule that stores and transfers energy within cells.