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Question
Which one of the following does not secrete any enzyme?
Which one of the following does not secrete any enzyme?
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Solution
The correct option is C Large intestine
The large intestine does not secrete any enzyme. It is about 1.5 m long and consists of the caecum, appendix, colon, and rectum. It mainly absorbs water from undigested food. In the oral cavity or mouth, salivary glands secrete an array of enzymes and substances that aid in digestion and also disinfection. The main secretion of the stomach is gastric juice, a mixture of mucus, hydrochloric acid, and digestive enzymes. The liver secretes bile, a digestive fluid, metabolizes proteins, carbohydrates, and fats.
Large intestine
The large intestine does not secrete any enzyme. It is about 1.5 m long and consists of the caecum, appendix, colon, and rectum. It mainly absorbs water from undigested food. In the oral cavity or mouth, salivary glands secrete an array of enzymes and substances that aid in digestion and also disinfection. The main secretion of the stomach is gastric juice, a mixture of mucus, hydrochloric acid, and digestive enzymes. The liver secretes bile, a digestive fluid, metabolizes proteins, carbohydrates, and fats.
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