Digestive System

Any person who eats and drinks fluids must urinate and have bowel movements.

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gallbladder and your pancreas

the only one i know isn't really food, but it takes 7 years to fully digest...

gum

It is where the food passes after you eat.

The brain controls many hormonal and muscular processes of the digestive system. The digestive system, in turn, provides the brain with nutrients needed for its functions.

Stomach

The stomach which contains hydrochloric acid. The stomach has a very low pH, no more than 2.
The organ with the most acidic contents in the digestive system is the stomach. Acids that are present in the human stomach include hydrochloric acid and gastric acid.
stomach

Compared to dogs and cats, there are other domesticated animals who win the prize for the fastest bowels. Ferrets, for instance, can process a meal in under a half hour.

They can't hold a candle, though, to humming birds. Since they feed mainly on sugar water (nectar) they don't need a long digestive tract and the food doesn't need a long time to be absorbed. Shrews, I suspect would run a close second to them.

The small Intestines :D

mitochondria

CaCO 3 , MgCO 3 , Al(OH) 3 ,Mg(OH) 2 , NaHCO 3 , KHCO

No. Something is really wrong if that happens.

Mechanical and chemical digestion. In mechanical digestion the teeth breakdown food into smaller pieces and in chemical digestion the salivary glands breaks down the food molecules.

Flatulence contains nitrogen, carbon dioxide, oxygen, methane, and hydrogen sulfide. These are created by the fermentation of undigested foods such as bean skins and veegtable fiber. The hydrogen sulfide and other compounds (mercaptan, butyric acid and carbonyl sulfide) make the released gases smell bad. Humans actually expel little methane compared to ruminants such as cows and sheep.

It's possible that the "bad" smell -- human's normal reluctance to deal with feces, etc. is evolutionary. The individuals repelled by this remain healthier, etc.

(see related link)

The stomach contains gastric acids to help break down foods.

I am not 100 % sure of this but I believe the digestive system goes from your mouth all the way to your colon so everything in between is a part of the digestive system.

No. Animals do not produce enzymes that hydrolyze cellulose. (From Master Bio - Chapter 41).

The proenzyme pepsinogen,on exposure to hydrochloric acid gets converted into active enzyme pepsin,the proteolytic enzyme of the stomach.Pepsin converts proteins into proteoses and peptones(peptides).

All mammals and reptiles have an esophagus. The esophagus extends from the end of the windpipe to the stomach and is part of the digestive system.

digestion starts in the mouth where the food is broken down by enzymes in your saliva. the the food passes down to the stomach where the enzymes are denatured. then the food molecules pass through to the small intestine when they are broken down by more enzymes. the products made from this are then absorbed by the small intestine wall or passed along out of the body.

The pharynx is the tube which food passes threw after it is chemically and mechanically digested in the mouth. This leads to the esophagus then to the stomach.

The digestive system is the process that enables us to physically break down the essential nutrients and liquids in food from an external environment into our internal environment. Through the physical and chemical processes in the digestive and gastrointestinal tract, the circulatory and digestive systems play an integral part of this process which is essentially for our body's energy and growth. The circulatory system absorbs, transports and distributes the broken down nutrients to our tissues and cells. And without the digestive process our tissues and cells would not receive the essential material that enables us to move, grow AND live. So the digestive needs the circulatory system and vice versa.

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