What are the characteristics of the small intestine suitable for digestion and absorption

Small intestine is suitable for digestion and absorption characteristics mainly include a large amount of secreted digestive juice, rich microvilli and intestinal wall blood vessels and appropriate pH value.

1, a large amount of secreted digestive juice

Small intestine secretes a large amount of digestive juice, including pancreatic juice, liver juice, small intestine mucus, etc., which contains a variety of enzymes, can decompose carbohydrates, proteins and fats and other nutrients, promote their digestion and absorption.

2, rich microvilli and intestinal wall blood vessels

Small intestine mucosa is full of microvilli, increase the surface area, conducive to the absorption of more nutrients

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