Select the option that best completes the following sentence. The key difference between physical and chemical digestion is that chemical digestion involves:bile produced by the liverthe formation of new substancesgrinding, mashing or churningmixing substances together

The key difference between physical and chemical digestion is that chemical digestion involves:the formation of new substancesgrinding, mashing or churningbile produced by the livermixing substances together

Explain the difference between physical and chemical digestion.

chemical digestion involves:the formation of new substancesgrinding, mashing or churningbile produced by the livermixing substances together

Choose one physical digestive process and one chemical digestive process. Briefly describe how each process works, including the body parts where the processes occur and any other organs or substances involved.

Recall what happens in physical digestion.A chemical reaction takes placeNo new substances are producedAn enzyme converts one chemical into anotherFood is not broken into smaller pieces but just mixed