Digestion and Nutrients

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Digestion and Nutrients
Briana Smallwood

The human body needs nutrients for it to survive. Nutrients are the fuel for the body to do work. It helps the body grow, provide protection from sickness and disease, function properly, and even live. There are many types and forms of nutrients that each do specific or multiple jobs. They are classified in six main groups. Carbohydrates, proteins, fats, vitamins, minerals and water are all the different groups.

Proteins are nutrients that help build and maintain body cells and tissues. The proteins contain most of the essential amino acids. Some examples are: animal and diary products like meat and yogurt. carbohydrates are the starches and sugars in foods. Carbohydrates provide four calories per gram and 55 to 60 percent of your daily carbohydrates come from calories and are recommended. You can get carbs from things like honey, jam, molasses, candy, and table sugar. Next Fats, they supply energy and keep the body insulated.

Digestion is the mechanical and chemical breakdown of food into smaller components that are more easily absorbed into a blood stream. The process of digestion begins when food is taken into the mouth. Weather you believe it or not the digestion process starts inside the mouth this process is called Mastication aka chewing. This is when you grind or chew your teeth together to make the food softer and warmer and the enzymes in saliva begin to break the food down. And after your done chewing and you decide to swallow the round mass that is called a bolus begins its journey down the esophagus to the stomach.

Once the bolus enters the stomach, it begins to mix with the acid secretions transforming the bolus into Chyme. Chyme is the semifluid mass of partially digested food expelled from the stomach in to the duodenum. Depending on the size and type of meal digested, Chyme usually empties from the stomach in 2 to 6 hours. After it leaves the stomach it enters the small intestine. In the...
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