GENERAL HISTOLOGY

OESOPHAGUS STOMACH

ESOPHAGUS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Enzymes (chemicals) in your saliva help break down food while chewing. This is ____
A
Mechanical digestion
B
Chemical digestion
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Chemical digestion in the mouth is minor but consists of salivary amylase (ptyalin, or alpha-amylase) and lingual lipase, both contained in the saliva. Salivary amylase is chemically identical to pancreatic amylase and digests starch into maltose and maltotriose, working at a pH optimum of 6.7 to 7.0.

Detailed explanation-2: -Saliva plays an important role in chemical digestion. As the teeth break food into smaller pieces, saliva mixes with the food. Chemicals called enzymes, found in saliva, break down food into smaller pieces.

Detailed explanation-3: -Saliva contains the enzyme, salivary amylase. This enzyme breaks the bonds between the monomeric sugar units of disaccharides, oligosaccharides, and starches. The salivary amylase breaks down amylose and amylopectin into smaller chains of glucose, called dextrins and maltose.

Detailed explanation-4: -This is the process where complex molecules like proteins, fats, and carbohydrates are broken down into smaller pieces that your body can use. It requires special proteins called enzymes. Movements. There are many movements that keep food going through your digestive system.

Detailed explanation-5: -Some of the most common digestive enzymes are: Carbohydrase breaks down carbohydrates into sugars. Lipase breaks down fats into fatty acids. Protease breaks down protein into amino acids.

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