Digestive System

The liver is a metabolically active organ responsible for many vital life functions. The primary functions of the liver are:

•Bile production and excretion

•Excretion of bilirubin, cholesterol, hormones, and drugs

•Metabolism of fats, proteins, and carbohydrates

•Enzyme activation

•Storage of glycogen, vitamins, and minerals

•Synthesis of plasma proteins, such as albumin, and clotting factors

•Blood detoxification and purification

It and the gall bladder which hold bile, are part of the digestive system. However, the liver also makes hormones which makes it more of a whole body organ.

It catalyzes the hydrolysis of starch into maltose and dextrin.

An easier way to explain is that the amylase acts a catalyst( invloved in reaction but not used up) and breaks the starch down to the sugar maltose at a certain temperature.

The inactive form of pepsin is called pepsinogen.

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Digestion works by moving food through the GI tract. Digestion begins in the mouth with chewing and ends in the small intestine. As food passes through the GI tract, it mixes with digestive juices, causing large molecules of food to break down into smaller molecules. This passes through to teh bowel and out of the body

The larger the number the more herbivorous the animal is. A carnivore will have a ratio of around 4 to 5 while an herbivore can have a ration of nearly 30. A human's digestive tract is about 30 feet long so, a 6 foot human with a body length of around 3 foot would have a ratio of around 10. That ratio puts us in the omnivore category.

The optimum pH of pepsin is pH2. Pepsin is found in the stomach and it is protease enzyme that digest protein into smaller molecule. The stomach is suitable place for it because it is acidic , so it's activity increases in the acidic environment.

Pepsin breaks apart proteins to form smaller particles called peptides. Peptides are more easily digestible by the smaller intestine

the salivary glands secrete enzymes (particularly salivary amylase or ptyalin) necessary for the initial digestion of starch in the mouth. namely, these are the parotid, submandibular and sublingual glands.

The liver provides a very important function for the gastrointestinal tract as it breaks detoxifies chemicals and metabolizes drugs to be used by the body. It also creates proteins for use in other parts of the body.

Many organs are involved when you ingest something. Primarily your stomach, small intestine, and large intestine are utilized directly. Your liver also works to neutralize any toxins and your gallbladder produces bile which helps your body process foods.

white blood cells or immune system....

The pancreatic ducts (Wirsung, and sometimes when present the Santorini) enter the duodenum.

The gallbladder duct proper is called the cystic duct, and it joins the main hepatic duct to form the choledochal duct. The choledochal duct in turns joins with Wirsung's duct in the head of the pancreas to enter the duodenum through the major papilla.

None of these structures enter the colon.

The epiglottis covers the esophagus. The epiglottis is a small flap that covers the epiglottis when breathing and covers the trachea, or windpipe, when you are eating to prevent food from entering the lungs.

The intestines, but water reabsorption occurs mostly in the lower small intestines. Feces formation along with some more fluid absorption occurs in the colon of the large intestines. But the large intestines' primary job is to compact liquid waste into solid waste.

Ascending colon is 5 inches long, descending colon is 10 inches long, pelvic colon is 15 inches long and transverse colon is 20 inches long. Together it makes 50 inches long. Hope you find this additional information interesting.

An incomplete gut only has 1 opening. Basically if something has an incomplete gut, it has no anus, and all food that it takes in must either be completely digested, or re-excreted through the mouth.

The plasma protein that is converted to fibrin is fibrinogen.

the parts are: mouth, tongue, palate, bolus, teeth, espigolthis, esophagus, stomach, pancreas, gallbladder, liver, small intestine large intestine. if u don't feel satisfied u may look at WWW.encyclopedia.com

Tertiatiary sodium phosphate which is found in household detergent and water softener. Not directly to humans but it has harmful effects to the environment. Wastewater from laundering agents containing phosphate is known to be a water pollutant because phosphate is a primary nutrient of algae.

The opening between the mouth and the esophagus is called the pharynx.

Gastric acid.

The main function of the stomach is to process and transport our food. After feeding the stomach mixes, grinds and eventually mixes small amounts of chime into the small intestine. The maintenance of the organ is complex and relies on the pH levels for various points in digestion. The mouth has saliva, which has very little acidic fluids. It initially helps to break down foods without harming the teeth. The stomach, on the other hand has to be highly acidic to jumpstart the breakdown process and also act as a barrier to keep out bacteria and harmful substances.

Proteases are enzymes which break down proteins. Each enzyme can only break down one substance (they are specific to one substrate).

This is because their active site has a specific shape to fit a protein and will not fit a starch molecule.

Salivary glands, they include: sublingual, submadibular, and parotid.