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Digestive System (Digestive tract (Food digested here- mouth to anus ,…
Digestive System
Digestive tract
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Stuff undigested are mixed with the brown pigment created by the old blood cells and pushed out through the anus
Accessory organs include: Gall bladder, pancreas and liver
Organs are lined with epithelial tissues like goblet cell which secrets mucus and protect the digestive tube from digestive enzymes and allow material to pass through smoothly
Spoiled food would be recognized by the system as toxins and would be forced out of the body in the form of vomiting
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Mouth breaks down food both chemically and physically. Chemically by using enzymes and silva which consists of enzyme and water. Saliva is mixed with the food molecules to break them down
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Esophagus is a muscular tube that connects the mouth to the stomach and has rhythmic contractions and relaxations called peristalsis. It is made up of smooth muscle tissue
Stomach is lines with cells that produce digestive enzymes and acids. Smooth muscle tissues contract to mix foods. It is richly supplied with nerves that tell the body when to stop eating
Intestines are between the stomach and the anus. It is lines with cells that produce mucus. It contains a lot of smooth muscle tissues
Small Intestine is 6 meters long, relatively narrow. It is in charge of digestion, and nutrients absorption. The goblet cells from the epithelial tissues release mucus. Nutrients diffuse through the wall of the intestine to go into the blood stream
Large intestine is 1.5 meters long and relatively larger in diameter. Also called the colon. It absorbs the water and pushed the wastes to the anus