Digestive System

Cellulose is a polysaccharide that cannot be digested by humans due to the lack of necessary enzyme, cellulase, in our digestive system. It passes through the gastrointestinal tract intact and provides bulk to aid in digestion and promote overall gut health.

No absorbtion is when the vitimins and minerals from your food are absorbed (move through the Partially permiable membrane which is your get wall) into you blood steam. This is how your body gets the nutrients from your food. Food is moved through your digestive system by your gut pushing it along.

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The lining of the gastrointestinal tract is constantly undergoing renewal, with the entire lining being replaced approximately every 3-6 days. This rapid turnover is necessary due to the high exposure to potentially damaging substances and mechanical stress in the gut.

The nondigestible part of certain foods that aids in moving food through the digestive tract is fiber. Fiber helps to add bulk to stool and facilitate smooth movement through the intestines, promoting regular bowel movements and overall digestive health.

Heat affect any enzyme and so pepsin. A temperature about 80 degrees can degarade most of the proteins and pepsin. At this temperature pepsin loose its structure and can not be active after that.

Consuming protein with carbohydrates or fats slows down the rate of protein digestion because they require different enzymes to break down in the stomach. Eating protein-rich foods alone, without carbohydrates or fats, would have the least effect on the rate of protein digestion.

The liver and muscles store energy in the form of glycogen. Glycogen is a polysaccharide composed of glucose units and serves as a readily available source of energy for the body when needed.

Your stomach

Amylase is primarily released in the mouth by the salivary glands and in the pancreas. In the mouth, amylase begins the digestion of starches in the food we eat, while in the pancreas, amylase is released into the small intestine to further break down carbohydrates into simpler sugars.

While the size of the largest turd ever produced has not been officially recorded, the longest human turd ever recorded is believed to be 26 feet. This unusually large turd was expelled by a woman who suffered from a condition called a "megacolon."

A lion's digestive system consists of the mouth, esophagus, stomach, intestines, and rectum. After hunting and eating prey, the food is broken down in the stomach with the help of enzymes and acids. The nutrients are then absorbed in the intestines, and waste is excreted through the rectum. Lions are carnivores, so their digestive system is adapted to process meat efficiently.

The tongue helps to push the chewed food towards the back of the throat, where it is then swallowed and directed down the esophagus into the stomach.

The lower opening of the digestive tract is called the anus. It is where waste material from the body is expelled during the process of defecation.

it is a part of the origin of eukaryotes by a process called endosymbiosis. The engulfed prokaryotic cells later became mitochondria and chloroplast in today's living organisms Campbell and Reece; Biology, 7th edition

The crayfish digestive tract is complete. It consists of a mouth, esophagus, stomach, and intestine, allowing for the digestion and absorption of nutrients from food. The waste is eliminated through the anus.

Betel vine (Piper betle) is a climbing plant commonly chewed in Asia for its stimulant effects on digestion. The leaves of the betel vine are wrapped around areca nut and other ingredients to form what is known as a betel quid, which is then chewed.

Enzymes are responsible for breaking down food chemically. They catalyze chemical reactions that break down complex nutrients into simpler molecules that can be absorbed by the body for energy or other purposes.

an anaerobic digester is used to remove/breakdown any organic matter in water, e.g. proteins fats and carbohydrates. 4 types of bacteria break down organic bacteria in a specialised 4 phase system.

The six main parts of the digestive tract are the mouth, esophagus, stomach, small intestine, large intestine, and rectum. Each part plays a specific role in the digestion and absorption of nutrients from food.

Within the stomach, there are three different substance that help in digestion. Salivary amylase enters the stomach from salivary ducts in the mouth which helps break down sugars like starch. Pepsin is an enzyme that aids in the breakdown of proteins and is secreted through glands within the stomach. Hydrochloric acid is also secreted by the stomach and the main function of that is to kill harmful bacteria within the stomach. The main digestion happens in the small intestine when the chyme enters the duodenum and sodium bicarbonate is added by the pancreas.

Enzymes can be protected from digestion by encapsulating them in a suitable coating or matrix that prevents contact with digestive enzymes. pH adjustment or using enzyme inhibitors can also help in preserving enzymatic activity during digestion. Additionally, consuming enzymes with other nutrients or foods may also help to shield them from being degraded in the digestive tract.

Foods that are already broken down into their simplest forms, such as liquids, do not require chemical and physical digestion in the same way that solid foods do. These foods can be readily absorbed by the body without the need for extensive digestion processes.

The digestive system is related to the nervous system in such a way that the nervous system dictates the speed of breaking down of food. The nervous system overseas activity in the digestive tract, and regulates secretion if there are changes.

The membrane-bound sac in the cytoplasm containing digestive enzymes is called a lysosome. Lysosomes play a key role in breaking down large molecules, such as proteins, carbohydrates, and lipids, into smaller components that can be utilized by the cell. They also help in recycling cellular components and in cell waste disposal.

The abbreviation for gastrointestinal is GI.