All Animals And Humans Have A Digestive System Essay

A perch’s eating habits are to eat anything that swims (insect larvae, crustaceans), including their own relatives (cannibalism) (Painter 2002). Perch have sharp teeth to break down the tough food before using the tongue to swallow the food to start the digestion process. The esophagus is where the digestion process begins. Then the food is moved to the stomach to breakdown the food furthermore. After the stomach, the digesta goes to the pyloric caeca, which has glands that secretes digestive enzymes and absorb nutrients from the digested food. After the pyloric caeca, the digesta goes to the small intestines connecting to the anus. The perch produces bile in the liver for storing nutrients, fat breakdown, and blood protein breakdown. In the small intestines the gall bladder secretes the bile to help the digestive process (Dearolf 2005). After leaving the small intestines, the waste exits through the anus. Now, we will discuss the last dissected organism, the fetal pig, which resembles closet to the human digestive system. The food is broken down by teeth into bolus and has a large intestinal tract to increase the absorption of the nutrients from food and plants. Food passes through four regions in the stomach, starting from the superior to the inferior regions (esophageal, cardiac, fundic, and pyloric). Cardiac is where mucus is secreted while the fundic region is where digestive processes occur

The digestive system is made up of all different organs which starts at the mouth and finishes at the anus but on the way involves all other organs; these organs help to break down and absorb the food.

Our mouth, esophagus, stomach, pancreas, liver, gallbladder, large intestine, small intestine, rectum, and anus come together to form the digestive system which breaks down our food into simpler molecules. The food enters through the mouth, travels down the esophagus, breaks down in the stomach, pancreas, liver, and gallbladder and then moves through the intestines down to the rectum and anus. A pig’s digestive system is no different than a human’s. A foregut, midgut, hindgut, and a digestive gland form the digestive system of a crayfish. The foregut contains the stomach (partially breaks the food down), the

What are the three sections of the large intestine and what roles does each play in digestion or absorption?

Colon and rectum are both located in the digestive system. There are two parts of the digestive system. Upper part of the digestive system included stomach and small intestine, in which their job is to digest food for energy. Lower part of the digestive system are called gastrointestinal system, where colon and rectum are located. Its function is to absorb fluid to form solid waste then passes from the body as a stool. Small intestine made up of the most part of the digestive system, it is about 20 feet long. It break down the foods and absorb most of the nutrients. Then it pass to the large intestine which is mainly made up of a muscular tube, colon, and it is about 5 feet long. The colon can be divided into 4 section. Ascending colon, it is the beginning of the colon that included the cecum, where the appendix attaches to the colon. Transverse colon, the second section of the colon. It located in the upper abdomen and from the right to the left. The next section is called descending colon, the lower abdomen and from the left to right. The last section,

Their medium digestive tracts are very capable for digesting meat with proteins and fats, and still long enough to cater for vegetable substance.

The digestive system are organs converting food into energy and basic nutrients to feed the entire body.

Food is digested by being broken down, by a variety of enzymes, into useful nutrients, which are transported around the body to places where they can be of use, and into waste products, which are excreted from the body. The digestive system is made up of a number of organs, oesophagus, stomach, liver, pancreas, gallbladder, and small and large intestines, these are then separated into the digestive tract and the digestive organs. The digestive tract is, essentially, a single continuous tube that begins at the mouth and ends at the anus, in a fully grown adult it is approximately seven metres long. Food travels through the digestive tract and the digestive organs produce the enzymes and chemicals that are responsible for

The digestive system is very important in digesting food and breaking it down so it can be digested easily. The digestive system turns food into energy. Throughout the process there are nutrients which are absorbed. There are many things that contributed to the digestive system such as the mouth which produces saliva which helps to break down food and nutrients such as carbohydrates with the help of an enzyme called amylase. The major food groups which are called macro nutrients include carbohydrates, proteins and fats. All of these nutrients play an important role in the body. There are also many micro-nutrients which include vitamins and minerals which provide the body with health and well-being. The digestive system is made up of the mouth, which includes the teeth (the teeth are used to cut and grind food into smaller pieces, they contain blood vessels and nerves), tongue (the tongue is a muscle that has a rough surface including the taste buds), salvia glands (they produce salvia which moistens the food to make is easier to digest), the pharynx (this helps the food travel to the stomach, the pharynx also plays an important role in the respiratory system. It also contains 2 different flaps to separate the 2 functions), esophagus (this connects the pharynx to the stomach and transports chewed food to the stomach), stomach (this is a muscle that is

However, cows have 4 compartments of the stomach, the rumen, which can hold 25 gallons or more and contains billions of bacteria, that do most of the digestion of the cows food, approximately 30-50% of the cellulose and hemicelluloses is digested in the rumen by microbial populations. The reticulum, is a pouch like structure with a honey-comb lining which aids the rumination and also traps foreign objects. The Omasum filters large particles back to the reticulum, and absorbs water and other substances

The 4 stomachs of a cow each play a different role in the digestive process. The four stomachs are: Rumen, Reticulum, Omasum, and the Abomasum. When an animal has four stomachs this animal is called a ruminant. Some of these animals are horses, sheep, deer, giraffes,and many more. My personal favorite ruminant animal is the cow preferably beef not dairy. Are you ready to learn about all of these wonderful stomachs and this wonderful animal?

The digestive system can vary from organism to organism based on what the organism primary diet is. As a result, the change in diet within the same species organism can also alter its digestive physiology to better accommodate it current diet. As human, we have evolved to efficiently digest starch and cooked food and the domesticated animals that we keep as pet, such as dogs and cats, have co-evolved with us and share a similar digestive physiology to us. Even though dogs have evolved from wolves, the two animals are not the same. Dogs is more efficient at digesting certain materials, while wolves are more efficiently at digesting others.

The digestive and excretory systems help the body with the wonderful task of food. The digestive system is composed of the stomach, mouth, liver, pancreas, and the large and small intestine. It digests food and provides the

The GI tract, made up of the oral cavity, pharynx, esophagus, stomach, small and large intestine and ending in the anus, helps process the bolus through a series of peristaltic movements (McKinley, O’Loughlin, & Bidle, 2016).

The non-ruminant digestive system works so that our stomach churns the food so it is into tiny little pieces, and makes sure that the food we eat is fully digested and the stomach muscles contract in order to churn food. The small intestine then absorbs and digests 90% of the food we eat and then absorbs minerals and nutrients, the large intestine then absorbs water from the remaining indigested food and transports waste material from our bodies, the rectum then temporarily stores our faeces until it is full and then faeces excrete from our anuses.