Question

Explain the digestion of fat, carbohydrates and proteins in our bodies

Answer 1

• Digestion- the process by which food is broken down into substances that can be absorbed by the body

• Digestive enzyme- a protein the body makes to help break down food into substances that can be absorbed .

• Fatty acid- a component of fats.

• Glycerol- a component of fats.

• Amino acid- the building blocks of proteins.

• Sugar- the most simple part of a carbohydrate .

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Answer 2

• The digestion of the proteins begin in the stomach where it is acted upon by the proteolytic enzyme of the stomach, pepsin. Pepsin converts proteins into proteoses and peptones (peptides).
• Proteins, proteoses and peptons in the chyme reaching the intestine are acted upon by the proteolytic enzymes (trypsin, chemotrypsin, carboxypeptidases) of the pancreatic juice and are converted into dipeptides.
• The enzymes in the succus entericus acts on the end product of the above reaction to form the simple absorbable forms.
• Dipeptidases present in the succus entericus converts the dipeptides into amino acids. Amino acids thus formed are absorbed in the jejunum and ileum regions of the small intestine.