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Enzymes break down the food in the mouth so you take all the nutrients.
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∙ 13y ago
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Where is the first site of digestion in the human body?
The mouth is the first site of digestion in the human body. In the mouth food is broken down mechanically by the jaw and chemically by saliva.
Is the mouth a chemical or mecahnical breakdown?
Both, saliva breaks down food chemically, and your teeth mechanically break down food by cutting, grinding, and mashing.
Region that breaks down food mechanically?
The mouth is where food is chewed.
Where in your digestive system is food broken down mechanically?
In the stomach
What is responsible for chemical digestion in earthworms?
It's the chemical breakdown of food into simpler compounds. Proteins are broken down to amino acids, carbohydrates are broken down to simple sugars, and fats are broken down to fatty acids and glycerol. Chemical digestion does begin in the mouth. Salivary amylase starts hydrolyzing starch the second you put in into your mouth. BUT, the vast majority of chemical digestion takes place in the duodenum and jejunum portions of the small intestine.
Occurs as food is broken down both chemically and mechanically?
Digestion
What are the regions that break down foodstuffs mechanically?
The mouth, specifically the teeth, breaks down food mechanically through the process of chewing. The stomach also contributes to mechanical breakdown through muscle contractions that help mix and churn food.
Which two organs help to break down food mechanically?
i know for sure that the mouth is one of them.
What is mechanically weathering?
Mechanical Weathering is when a rock, for example, is broken down by man, animals ect.
Which substance cannot be broken down by a chemical change?
All of the elements of the Periodic Table cannot be broken down into simpler substances.
What chemical is broken down by respiration?
glucose is broken down by cellular respiration
Can compounds be broken down only by chemical means?
yes, they can only be broken down by chemical means
