The muscles of the stomach walls thoroughly mix up the food with gastric juices and the resulting semi-solid/semi-liquid material is called:
Correct answer: D. Chyme
- A. Bolus
- B. Bolus or chyme
- C. Mucus
- D. Chyme
Explanation
After food enters the stomach, the muscular walls of the stomach contract and mix the food with gastric juices, breaking it down into a semi-solid/semi-liquid substance called chyme. The chyme is then slowly released from the stomach into the small intestine, where further digestion and absorption of nutrients occur. A bolus is a term used to describe a small, rounded mass of food that has been chewed and is ready to be swallowed. Mucus is a slimy substance secreted by the mucous membranes that line various organs, including the stomach and intestines, to protect and lubricate them.
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About Human Digestive System
The human digestive system breaks food into absorbable molecules through mechanical processing, enzyme action and chemical conditions along the alimentary canal. Questions cover the mouth, stomach, small and large intestines, liver, pancreas and associated secretions, including the digestion and absorption of carbohydrates, proteins, lipids, vitamins, minerals and water.
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