"Changes of Food in the Mouth" Our Body PPT Courseware 2

Description

"Changes of Food in the Mouth" Our Body PPT Courseware 2

Who has the greatest credit in the process of turning the steamed buns from chunks into paste?

What role does saliva in the mouth play in digesting food?

moist

Can you do it without saliva?

No, it's very dry and I can't swallow it.

What role does the tongue play in digestion?

Stir and taste

Learning and Assessment

[Think about it and fill it in]

1. Food in ( ) has a good preliminary ( ) process, which will be beneficial to the work of the overall ( ) organs.

2. ( ), ( ) and ( ) jointly participate in the digestion process of food in the mouth, and their functions are different.

3. There are three types of teeth: ( ), ( ) and ( ). Different teeth have different functions.

【Think about it and argue】

1. Food can be easily absorbed by the body only if it is well ground and mashed during initial digestion. ( )

2. The food in the mouth changes under the action of teeth. ( )

3. In the oral cavity, the teeth, tongue and saliva need to work in coordination to initially digest food. ( )

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For more information about the PPT courseware "Our Body Changes in Food in the Mouth", please click on the "Our Body ppt Changes in Food in the Mouth" ppt label.

"Changes of Food in the Mouth" Our Body PPT Download:

"Changes of Food in the Mouth" Our Body PPT Download Part One: Observing the Mouth What would happen if we put food in the mouth and chew it (jǔ je) for a while? 1. Take a piece of steamed bun and chew it in your mouth. 2. Stop chewing 5 times and observe the texture of the food..

"Changes of Food in the Mouth" Our Body PPT:

"Changes of Food in the Mouth" Our Body PPT Part One: Observing the Oral Observe the changes of several different foods from entering the mouth to before swallowing. What happens to food in the mouth during different chewing times? Teeth in the mouth...

"Changes of Food in the Mouth" Our Body PPT Courseware 4:

"Changes of Food in the Mouth" Our Body PPT Courseware 4 Observe the Mouth Observe the change process of food from entering the mouth to before swallowing. What happens to food in the mouth during different chewing times? Observation method: Take a bite of bread and face...

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Update Time: 2024-11-14

This template belongs to science courseware Fourth Grade Science Volume 1, Textbook Edition industry PPT template

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