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The stomach is a muscular, hollow organ in the digestive system that breaks down food using acids and enzymes, preparing nutrients for absorption in the intestines.
Middle-aged female laboratory worker wearing blue gloves conducts lab test on food ingredients lettuce, cucumber, pork. Using microscope, she analyzes nutrients, preservatives, food safety records.
Variety of fruits and vegetables
Fresh Food Ingredients & the word Nutrients on screen tablet pc, health concept. Information technology and mobile application in healthcare/medical.
Rice stubble or rice straw is a material that is easily decomposed. It has an average carbon to nitrogen ratio of 99:1 and contains the main plant nutrients.

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