Seven years
The human body takes around 3 hours to digest any food item. Food goes through chemical digestion twice in mouth and stomach so digestion in human body takes place in about 3 hours and then your stomach is empty.
12hours
It is an insoluble fiber and a lot of people really do have trouble digesting it (spinach too). If you cannot digest it, you probably have irritable bowel syndrome. It is because the human digestive track does not contain the enzymes we would need to break down long carbohydrate chains found in things like cellulose. We would not be able to digest grass either, but animals like cows, goats and sheep digest grass without any problem. Termites are able to digest wood. Different digestive systems are able to handle different foods. The solution: do not eat insoluable fiber without something soluable, and do not eat it on an empty stomach.
six to seven hours though this is the average and digestion is different for each person due to age, gender, stress levels and fitness.
It takes three hours to digest a food.
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It takes forty-eight to seventy-two hours to completely digest lettuce. This is because of the high levels of cellulose found in lettuce.
Seven years
Rice, no matter if it is white or brown does not digest in the human body.
The human body does not digest gum. It passes through your digestive system in a day or two without being digested.
14 hours
15 days
24 - 48 hours
Pork takes about 4-5 hours to digest in the human body. Meat in general takes longer to digest because of the nutrients and enzymes involved.
It takes the body about 2 1/4 hours to digest some types of lettuce, such as iceberg. Some quickly digesting foods that take only 1 3/4 hours are grapes, mangoes, raspberries, and avocados.
exactly 6 hours