Question

Which action is a physical change in digestion?

Answer 1

here are a few answers  these all have to do with physical change in digestion
1.chewing
2.tearing
3.grinding
4.mashing
5.mixing
6.crushing 

Answer 2

Chewing, biting, mashing, tearing, grinding, etc. action is a physical change in digestion.

What do you mean by physical change?

• "Physical changes are changes affecting the form of a chemical substance, but not its chemical composition."

What is digestion?

• "Digestion is a process of breakdown of complex food substance into simple ones in order to get nutrients."
• Digestion starts from the mouth where the food is crushed, mashed and mixed to form bolus.
• The churning movement of esophagus push bolus into stomach.
• The digestion ends in large intestine.

Hence, the answers are: chewing, grinding, mashing and tearing.

To know more about digestion here

https://brainly.com/question/19230783

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