Gastrointestion Research Paper

The digestive system absorbs the minerals and nutrients from the foods that have been eaten. The break down of food beings in the mouth, where the

Digestion starts in mouth and it is going through several steps. Teeth which are a Mechanical digestion start tearing and crushing the food down into small pieces so that the food will smoothly run down our throat. The salivary glands are located underneath the back of our tongues and that’s what is creating our saliva. The saliva is the Chemical Digestion is helping soften the food in the mouth so it is easy to swallow. Also saliva is the first out of several chemicals that is breaking the food into smaller bits. The tongue is the muscle that works with the food and saliva to form something similar to balls that can be swallowed. Also tongue contains taste buds so that we know if the food is salt, sweet, sour or bitter. Esophangus is a simple transportation tube that is joining the throat with stomach. When swallowing we are closing a trap door in our throats called the epiglottis. By closing this trap we are preventing the food prom going to trachea and into our lungs. Also Food moves down the esophangus using muscles not gravity. Stomach is the first stop after the Esophangus. When the food gets into stomach the stomach uses chemicals to try to make the food smaller. These chemicals are called gastric juices and they include hydrochloric acid and enzymes. (Enzymes are

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Digestion is the process of food being broken down in your body in order to create energy that your body will use to function, enzymes break down the food molecules in our body.

One day me and my friends were going to science class, we were so excited to go because we were doing an experiment on the digestive system the whole class went except tommy, when told him to stay to keep the class safe. When we left he opened a bag of chips and we sat in his hand and he ate us. First we went inside the mouth were tommy cut and grinds and triggered his chemical in saliva glands to work with the mechanism of the tongue salivary glands in your mouth makes salivary amylase, which begins the digestive process by breaking down starch when you chew your food,that's how the food into was cut into smaller pieces, after that he swallowed the food and we went down the esophagus we saw epiglottis which is a flexible flap at the end of the larynx connecting it to the throat, it acts like a switch permitting air to pass through as you swallow the food, then we saw the peristalsis , a peristalsis is a muscle contracting in a wave like motion to move the food to the stomach after that we saw the lining of the esophagus, the lining of that esophagus is called a mucosa it runs down the windpipe and heart in front of the spinal cord to prevent food from just dropping into the windpipe, this is starting the digestion process, after that it takes us down the stomach, then

When a person thinks of digestion they usually think about what happens in the stomach. A lot has happened to digest the food way before it gets to the stomach. It starts in the mouth or oral cavity. It is a process called mechanical digestion. First, Mastication begins. Mastication is the chewing of the food. A person will crush, grind and tear the food apart. That gets the food ready for deglutition. Deglutition is the swallowing of the mashed up food. When we swallow peristalsis begins. Peristalsis is what happens

Digestion is a multistep process that begins the moment you put a piece of food in your mouth or sip or drink.The mouth is the beginning of the digestive track,and in fact digestion starts here.When taking the first bite of food ,chewing breaks the food into pieces that are more easily digested,while saliva mixes with food to begin the process of breaking it down into a form your body can absorb and use.

1. Firstly, the cracker enters the mouth. This is where the cracker is physically broken down by chewing, and chemical digestion of carbohydrates begins. Salivary glands in the mouth produce saliva which moistens dry food and contains salivary amylase, a digestive enzyme that breaks down carbohydrates. The cracker is then swallowed. Paristalsis (involuntary muscle contractions) push food down the esophagus. In the stomach the cracker bathes it in gastric juices. Gastric juice is composed of three main parts; hydrochloric acid, mucus, and pepsin. Hydrochloric acid helps to digest the cracker chemically and protects the body by killing bacteria present in the cracker. Mucus acts as a protective barrier preventing the gastric juice from burning

The digestive system starts with the mouth and goes all the way down to the rectum. Along the way, your digestive system breaks down the food you eat so you can absorb the nutrients and use them for energy.

As a child, I had the habit of drinking coffee constantly in addition to eating spicy food daily. One day I woke up with an ulcer, and having the tendency to vomit. My parents took me to the clinic after 3 days of having the stomach pain because my sickness did not heal on its own. The doctor diagnosed that I had gastritis, which is the inflammation of the lining of the stomach. In the moment of the diagnosis, he did not explain what gastritis was, but explained that the coffee intake was the cause of my gastritis. The doctor gave me a prescription to heal my gastritis, but after taking the medicine, my illness worsened because of the spicy food that I kept constantly eating.

he digestive system is a physiological marvel, composed of finely orchestrated chemical and physical activities. The food we ingest must be broken down to its molecular form for us to get the nutrients we need, and digestion involves a complex sequence of mechanical and chemical processes designed to achieve this goal as efficiently as possible. As food passes through the gastrointestinal tract, it is progressively broken down by the mechanical action of smooth muscle and the chemical action of enzymes until most nutrients have been extracted and absorbed into the blood.

Are you not feeling well because of the food you eat sometimes? You may be suffering from indigestion symptoms. There are many forms of indigestion symptoms, however the most prevalent one is acid reflux. Acid reflux is also commonly know and GERD.

Digestion begins with the process of mastication; food enters the mouth and the teeth begin to crush and grind the food into smaller pieces to form a bolus. Saliva is secreted from nearby salivary glands, which not only moistens food for easier swallowing, but also begins chemical digestion. Swallowing (deglutition) occurs next; at the beginning of a swallow the tongue voluntarily pushes the bolus upwards against the palate and backwards towards the pharynx. Involuntary reflexes are then initiated in order to prevent food from entering the respiratory tract; the uvula closes off the nasal cavity and the epiglottis covers the glottis and seals off the larynx. As the bolus approaches the esophagus the upper esophageal sphincter (UES) relaxes

Human digestion starts in the mouth. A human chews food with 32 teeth, which have flat surfaces for grinding and breaking down food. Enzymes contained in the saliva contribute to this breakdown of the food, which is being digested before it reaches the stomach.

After entering the gastrointestinal tract on the way to their physiological site of infection, enteric bacteria encounter a remarkable diversity in environmental conditions. There are gross differences in the physico-chemical parameters in different sections of the Gastrointestinal tract (GI) tract e.g. between the stomach, small intestine and large intestine. Furthermore, even within a certain anatomical site, there are subtle differences in the microenvironment e.g. between the lumen, mucous layer and epithelial surface. Enteric pathogens must not only survive passage through the rapidly changing environments encountered at different niches of the GI tract but must also appropriately coordinate expression of virulence determinants