The Digestive system Rocco hevia

The system that breaks down food Into nutrients that can be used by the body is the digestive system.

When you eat food your body does an incredible task that is very important for us humans in order to live. It all starts in the mouth. When food is chewed in the mouth, teeth break it into smaller pieces. The salivary glands are glands in the mouth the release saliva, which contains a chemical that begins the digestion of carbohydrates.

Then from your mouth, your food travels down the esophagus. The esophagus is a tube the connects the mouth and the stomach. Food passes to your stomach by the process of peristalsis peristalsis is a series of involuntary muscle contractions.

After your food travels down the esophagus it your food makes a stop at the stomach. The stomach is the organ that releases acids and juices that mix food and produce a thick paste called chyme. The stomach produces a layer of mucus to protect its lining from the strong acids released in digestion. After about four hours of churning the food, muscle contractions force the food into the small intestine.

After the stomach your food travels to the small intestine. The small intestine is a coiled tube in which the greatest amount of digestion and absorption take place. The small intestine is about 21 feet long and is lined with villi. Villi are small folds in the lining of the small intestine that increase the surface area and allow more food to be absorbed.

The gland that secretes bile to help break down fats, maintain blood sugar level, and fiber poisonous wastes is the liver.

The gland that produces both digestive enzymes from the pancreas break down proteins, starches, and fats from food in the small intestine.

After food passes through the small intestine, it enters the large intestine, also called the colon. The large intestine is a tube extending from the small intestine in which undigested food is prepared for elimination from the body. When the large intestine is full, it contracts, and solid wastes leave the body from the rectum and anus.

So now you know what your body does when you eat your food. Food is a very important necessity to keep us alive and moving. We need to make sure we keep our organs healthy by eating unprocessed and unhealthy foods.

Credits:

Created with images by Hey Paul Studios - "Mini Digestive System Diagram. Hoop Art Wall Hanging. Hand Embroidery." • Rusty Clark ~ 100K Photos - "Alleyway - Northampton MA" • WolfBlur - "figure man stand"

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