Digestive System Organs

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Transcript

00:00In this video we will take a quick look at the organs of the digestive system. Let's go.

00:08Mouth. The mouth is the entry point for food and the beginning of the digestive process.

00:14Food is broken down into smaller pieces by the teeth and mixed with saliva,

00:19which contains enzymes that start the process of breaking down carbohydrates.

00:23Esophagus. The esophagus is a muscular tube that connects the mouth to the stomach.

00:30It uses rhythmic contractions called peristalsis to move food down to the stomach.

00:36Stomach. The stomach is a muscular sac that churns and mixes food with gastric juices,

00:42which contain enzymes and hydrochloric acid that break down proteins and kill bacteria.

00:47Small intestine. The small intestine is a long,

00:52narrow tube where most of the nutrients from food are absorbed into the bloodstream.

00:57It receives digestive enzymes from the pancreas and bile from the liver to help break down food.

01:03Large intestine. The large intestine is a wider tube that absorbs water and electrolytes from

01:09undigested food, forming feces. The feces are eliminated from the body through the rectum and

01:16anus during bowel movements. Pancreas. The pancreas is an organ that produces digestive enzymes that

01:23break down carbohydrates, proteins, and fats in the small intestine. Liver. The liver produces bile,

01:30which helps break down fats in the small intestine. It also helps detoxify harmful substances in the blood.

01:38Gallbladder. The gallbladder is a small organ that stores bile produced by the liver and releases it

01:50into the small intestine when needed to help digest fats.

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