Answered

Which is an example of mechanical digestion?
A
The pancreas releases pancreatic fluid into the small intestine to help break foo
down
B) Your intestines push food back and forth to break it up
Your salivary glands release saliva on your food
D) Bacterial break down food in the colon



Answer :

GinnyAnswer

Final answer:

Mechanical digestion involves breaking down food physically into smaller pieces to aid digestion.


Explanation:

Mechanical digestion is the physical breakdown of food chunks into smaller pieces to increase surface area and mobility. This process involves mastication, churning in the stomach, and peristalsis in the intestine. An example of mechanical digestion is the mixing and churning of the stomach to further break down food and expose it to digestive juices.


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clerisek321

Answer:

B

Explanation:

Mechanical digestion refers to the physical breakdown of food into smaller pieces to increase the surface area for enzymes to work on during chemical digestion. In the case of the intestines pushing food back and forth, this action helps to mix the food with digestive enzymes and break it down into smaller particles. The rhythmic contractions of the intestines, known as peristalsis, help to move food along the digestive tract and facilitate the mechanical digestion process.

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