Write the path of food trachea in human digestive system with flowchart
Answers
Answer:
Explanation:
Just a spoonful of sugar... " goes the song. But what happens to that sugar once you swallow it? In fact, how is it that you are able to swallow it at all? Your digestive system performs amazing feats every day, whether you eat a double cheeseburger or a stalk of celery. Read on to learn what exactly happens to food as it makes its way through your digestive system.
What Is Digestion?
Digestion is the complex process of turning the food you eat into nutrients, which the body uses for energy, growth and cell repair needed to survive. The digestion process also involves creating waste to be eliminated.
The digestive tract (or gastrointestinal tract) is a long twisting tube that starts at the mouth and ends at the anus. It is made up of a series of muscles that coordinate the movement of food and other cells that produce enzymes and hormones to aid in the breakdown of food. Along the way are three other organs that are needed for digestion: the liver, gallbladder, and the pancreas.
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⏹Food enters the human digestive system through the mouth before then moving through the pharynx, esophagus, stomach, intestines, rectum and anus. In the mouth, food is chewed and broken down into small pieces suitable for digestion. The mouth produces more saliva to break down food into a form that the body can use and absorb. Next, food slides down the pharynx, which is also called the throat. Food is further swallowed in the pharynx as a reflex.
Food passes through the esophagus, which extends from the pharynx and behind the trachea, on its way to the stomach. Food is pushed through this muscular tube and into the stomach through a series of involuntary muscle contractions called peristalses. Near the opening to the stomach, the lower esophageal sphincter opens to allow food to pass into the stomach and closes to keep the food from going back into the esophagus. Stomach glands secrete enzymes and acid that turn the food into a liquefied substance called chyme. Glands also secrete mucous, which protects the stomach from ulcers. After a while, the food is reduced to chyme or sometimes a pasty, solid substance. This substance enters the small and large intestines. The small intestine further breaks down the food by producing digestive enzymes. The large intestine removes water and electrolytes from the food. Finally, the waste product is stored in the rectum and excreted through the anus.
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