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Anatomy Digestive

QuestionAnswer
Food passes through a long tube inside the body known as the alimentary canal or the gastrointestinal tract
The alimentary canal is made up of the oral cavity, pharynx, esophagus, stomach, small intestines, and large intestines.
Salivary Glands Surrounding the mouth are 3 sets of salivary glands. The salivary glands are accessory organs that produce a watery secretion known as saliva
Saliva helps to moisten food and begins the digestion of carbohydrates
The pharynx, or? is a funnel-shaped tube connected to the posterior end of the mouth. Throat
the inferior end of the esophagus is a muscular ring called the lowe LP
the inferior end of the esophagus is a muscular ring called the lower esophageal sphincter or Cardiac sphincter
In an average person, the stomach is about the size of two fists placed next to each other.
The stomach is a muscular sac that is located on the left side of the abdominal cavity, just inferior to the diaphragm.
The stomach also contains? hydrochloric acid and digestive enzymes that continue the digestion of food that began in the mouth.
The entire small intestine is coiled like a hose and the inside surface is full of many ridges and folds. These folds are used to maximize the digestion of food and absorption of nutrients.
By the time food leaves the small intestine, around 90% of all nutrients have been extracted from the food that entered it.
The gallbladder is used to store and recycle excess bile from the small intestine so that it can be reused for the digestion of subsequent meals.
The pancreas is a large gland
The pancreas secretes digestive enzymes into the small intestine to complete the chemical digestion of foods.
symbiotic bacteria that aid in the breaking down of wastes to extract some small amounts of nutrients.
The six primary processes of the digestive system include Ingestion of food, Secretion of fluids and digestive enzymes, Mixing and movement of food and wastes through the body, Digestion of food into smaller pieces, Absorption of nutrients, Excretion of wastes,
The small intestine is a long, thin tube about 1 inch in diameter and about 10 feet long
Large intestine The large intestine is a long, thick tube about 2 ½ inches in diameter and about 5 feet long.
The large intestine absorbs water and contains many symbiotic bacteria that aid in the breaking down of wastes to extract some small amounts of nutrients.
the digestive system secretes around 7 liters of fluids. These fluids include saliva, mucus, hydrochloric acid, enzymes, and bile.
swallowing swallowing is the process of using smooth and skeletal muscles in the mouth, tongue, and pharynx to push food out of the mouth, through the pharynx, and into the esophagus
peristalsis it is a muscular wave that travels the length of the GI tract.
segmentation segmentation occurs only in the small intestine as short segments of intestine contract like hands squeezing a toothpaste tube.
Created by: Farcaster