AP BIOLOGY

ANIMAL PHYSIOLOGY

DIGESTION IN HUMANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Solid wastes are called
A
peristalsis
B
feces
C
ulcer
D
enzymes
Explanation: 

Detailed explanation-1: -feces, also spelled faeces, also called excrement, solid bodily waste discharged from the large intestine through the anus during defecation. Feces are normally removed from the body one or two times a day. About 100 to 250 grams (3 to 8 ounces) of feces are excreted by a human adult daily.

Detailed explanation-2: -Human feces (or faeces in British English) is the solid or semisolid remains of food that could not be digested or absorbed in the small intestine of humans, but has been further broken down by bacteria in the large intestine.

Detailed explanation-3: -Your stool passes out of your body through the rectum and anus. Another name for stool is feces. It is made of what is left after your digestive system (stomach, small intestine, and colon) absorbs nutrients and fluids from what you eat and drink.

Detailed explanation-4: -Etymology. The word faeces is the plural of the Latin word faex meaning “dregs".

Detailed explanation-5: -Feces had a median pH of 6.64 and were composed of 74.6% water. Bacterial biomass is the major component (25–54% of dry solids) of the organic fraction of the feces. Undigested carbohydrate, fiber, protein, and fat comprise the remainder and the amounts depend on diet and diarrhea prevalence in the population.

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