What is the substance produced in the liver that acts in the small intestine during digestion?

What is the substance produced in the liver that acts in the small intestine during digestion?
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How does that substance act in the digestive process?
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The normal route of calcium excretion is (A) Kidney (B) Kidney and Liver (C) Kidney and Intestine (D) Kidney, Intestine and Pancreas

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In human beings molybdenum is mainly absorbed from (A) Liver (B) Kidney (C) Intestine (D) Pancreas

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Calcium is excreted by (A) Kidney (B) Kidney and intestine (C) Kidney and liver (D) Kidney and pancreas

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The enzyme glycerol kinase is low activity in (A) Liver (B) Kidney (C) Intestine (D) Adipose tissue

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α-Oxidation i.e., the removal of one carbon at a time from the carboxyl end of the molecule has been detected in (A) Brain tissue (B) Liver (C) Adipose tissue (D) Intestine

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Galactose is readily converted to glucose in (A) Liver (B) Intestine (C) Kidney (D) Adipose tissue

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The sites for gluconeogenesis are (A) Liver and kidney (B) Skin and pancreas (C) Lung and brain (D) Intestine and lens of eye

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The enzyme glucose-6-phosphatase which catalyses the conversion of glucose 6-phosphate to glucose is not found in (A) Liver (B) Muscle (C) Intestine (D) Kidney

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The conversion of carotenoids to Vitamin A takes place in (A) Intestine (B) Liver (C) Kidney (D) Skin

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1-hydroxylation of 25-hydroxy Vitamin D3 takes place in (A) Liver (B) Kidneys (C) Intestine (D) Pancreas

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25-hydroxylation of vitamin D3 takes place in (A) Liver (B) Kidneys (C) Intestine (D) Pancreas

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1-hydroxylation of 25-OH vitamin D3 takes place in (A) Liver (B) Kidneys (C) Intestine (D) Pancreas

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