Examlex
Which of the following quantities are conserved in an isolated system?
Chyme
A semi-fluid mass of partly digested food that moves from the stomach to the small intestine.
Cholecystokinin
A hormone secreted by cells in the duodenum that stimulates the digestion of fat and protein.
Fatty Acids
Long hydrocarbon chains with a carboxylic acid group at one end, essential components of lipids and important sources of energy.
Duodenum
The first section of the small intestine immediately beyond the stomach, where most chemical digestion takes place.
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