The correct option is
B Intestinal juice
The correct option is B.
Explanation of the correct option:
- Crypts of Lieberkühn secrete succus entericus, commonly known as intestinal juice.
- In between the villi of the small intestine, the mucous membrane of the small intestine folds to form the intestinal gland, Crypts of Lieberkühn.
- Succus entericus is a yellow fluid with a pH of 7.6, which contains water, mucus, and enzymes.
- Succus entericus helps in the digestion of carbohydrates, proteins, fats, and nucleic acid.
Final Answer: Succus entericus is intestinal juice.