An essay on the digestion process of food in the human body

They are high in protein, have complex carbs, lots of micronutrients and can be whipped up into a wide variety of delicious dishes. It is no wonder that beans are the staple food of so many cultures around the world. Rice does have plenty of good macro and micro ingredients but it is nothing to write home about.

An essay on the digestion process of food in the human body

In the first category, it is important to eat only when you are really hungry and to eat slowly and chew food thoroughly.

IB Biology Notes - Digestion

Drinking liquids with a meal is probably not a good practice; it is better to wait until you are finished, so as not to interfere with the action of digestive fluids. Certainly, smoking and excessive drinking have a negative impact on digestion, whereas regular exercise has a positive influence. In the category of diet, it is a good idea to minimize one's intake of red meat, such as steak.

Although most people find red meat tasty, and it can be a good supplier of dietary iron in limited proportions, the digestion of red meat requires the production of much more stomach acid, and thus it places a great burden on the digestive system.

It is also wise to eliminate as many processed foods as possible, including sweets and junk foods, and to eat as many natural foods as one can manage.

In general, one can hardly go wrong with raw vegetables, which are just about the best thing a person can eat—not only because of their digestive properties but also because many of them are packed so full of vitamins and minerals.

Note that vegetables are best when raw and fresh, since cooking removes many of the nutrients. Canned vegetables usually are both nutrient-poor and full of sodium or even synthetic chemicals.

Frozen vegetables are much better than canned ones, but they still do not compare nutritionally with fresh vegetables. A good diet includes a great deal of fiber, indigestible material that simply passes through the system, assisting in the peristaltic action of the alimentary canal and in the process of eliminating waste.

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Cellulose, found in most raw fruits and vegetables, is an example of fiber, also called bulk or roughage. Yogurt may be a beneficial food, because it includes "good" bacteria a topic we discuss near the conclusion of this essay that assist the digestive process. Some foods, such as raw bean sprouts, papaya, figs, and pineapple, contain enzymes that appear to assist the body in digesting them.

In addition, one of the greatest "foods" for aiding digestion is not a food at all, but water, of which most people drink far too little. Some experts claim that a person should drink eight 8 oz. In other words, a person who weighed lb. A good rule of thumb for metric users, instead of the 2: Note also that tap water may contain chemicals or other impurities, and therefore consuming it in large quantities is not advisable.

A much better alternative is bottled or filtered water. Just as the title of David R.

An essay on the digestion process of food in the human body

Reuben's book inspired Woody Allen's movie, which was very loosely based on it, the "Everything you always wanted to know … " motif inspired a whole array of imitators. Often such titles play on the very fact that hardly anyone wants to know, and certainly no one is afraid to ask, about the topic in question.

The joke, of course, is that most people have never heard of Tocharian, a central Asian language. Nonetheless, one subject ranks with sex as something everyone wonders about but most are afraid to ask.

Even the name of that topic creates problems, since people have so many euphemisms for it: There are baby-and child-oriented terms for this process and product, the bodily control of which can be a major problem for a very young human being, and, of course, there is at least one grown-up term for it that will not be mentioned here.

People even have nicknames for animal dung, such as pies, patties, or chips. For the sake of convenience, let us call the process defecation, and the product human waste or excrement or feces and admit that everyone has wondered how something as pleasant as food can, after passing through the alimentary canal, turn into something as unpleasant as the final product.

The average person excretes some 7 lb. This waste is made up primarily of indigestible materials as well as water, salts, mucus, cellular debris from the intestines, bacteria, and cellulose and other types of fiber.

Tomato Paste

Like the human body itself, these waste products are mostly water: Much of what goes into producing excrement has nothing to do with what enters the digestive system, so even if a person were starving he or she would continue to excrete feces.

What about the color and the smell? Later, as it passes through the large intestine, it is degraded by the action of bacteria, a process that turns it brown and gives feces its characteristic color.

Not surprisingly, disorders involving the red blood cells, liver, or gallbladder can change the color of human waste. A person with gallstones or hepatitis a disease characterized by inflammation of the liver is likely to excrete grayish-brown feces, while anemia a condition that involves a lack of red blood cells may be associated with a yellowish stool.

A person experiencing bleeding in the gastrointestinal tract the stomach and intestines may produce waste the color of black tar.

In addition, foods with distinctive colors and textures also can affect theappearance of stools.Overview of the digestive system—how food moves through each part of the GI tract to help break down food for energy, growth, and cell repair. Digestion is important because your body needs nutrients from food and drink to work properly and stay healthy.

THE FALSE ALLURE OF GROUP SELECTION. Human beings live in groups, are affected by the fortunes of their groups, and sometimes make sacrifices that benefit their groups. For digestion to occur, of course, it is necessary first to have something to digest—namely, nutrients. What follows is a cursory overview of nutrients and nutrition, subjects covered in much more depth within the essay of that name. Essay # 1. Habitat and Habits Frogs: Rana tigrina is the most widely distributed species in Northern India. Generally frogs are found in ponds, tanks, pools, ditches, etc.

The digestive process starts when you put food in your mouth. Digestion Explain why digestion of large food molecules is essential. There are two reasons why the digestion of large food molecules is vital. Essay # 1.

An essay on the digestion process of food in the human body

Habitat and Habits Frogs: Rana tigrina is the most widely distributed species in Northern India. Generally frogs are found in ponds, tanks, pools, ditches, etc. acquired trait: A phenotypic characteristic, acquired during growth and development, that is not genetically based and therefore cannot be passed on to the next generation (for example, the large.

Essay on the Digestive System (For Students) | Human Physiology. Article Shared by. Why so many digestive juices are necessary for digestion of food?

When the process of digestion is completed, they are carried to the last part of the small intestine i.e. Ileum. The digested food reaches this place in about four hours.

Discover the potential health benefits of pineapple, a source of essential vitamins and minerals, such as thiamin, riboflavin, vitamin B-6, and folate. This article looks at the history of.

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