Podcast
Questions and Answers
What is the primary function of the digestive system?
What is the primary function of the digestive system?
- To transport oxygen throughout the body
- To turn food into nutrients (correct)
- To regulate body temperature
- To protect against infections
Which part of the digestive tract is responsible for the initial breakdown of food?
Which part of the digestive tract is responsible for the initial breakdown of food?
- Mouth (correct)
- Pharynx
- Small Intestine
- Large Intestine
What is the role of the liver in the digestive system?
What is the role of the liver in the digestive system?
- To break down carbohydrates in the stomach
- To secrete saliva for digestion
- To produce bile for fat digestion (correct)
- To store nutrients for later use
Which part of the digestive tract leads to the elimination of waste from the body?
Which part of the digestive tract leads to the elimination of waste from the body?
Which accessory gland is the largest in the body?
Which accessory gland is the largest in the body?
Flashcards
Mouth
Mouth
The first part of the digestive system, where food enters and is broken down into smaller pieces with saliva.
Oesophagus
Oesophagus
The muscular tube that connects the mouth to the stomach. It pushes food down using muscle contractions.
Stomach
Stomach
The largest part of the digestive tract, where food is churned and mixed with digestive juices. Contains different enzymes to break down food.
Small Intestine
Small Intestine
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Large Intestine
Large Intestine
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Study Notes
Digestive System
- The digestive system transforms food into nutrients, which are carried by the circulatory system to the body's cells.
- The digestive system consists of the digestive tract (a set of organs and structures) and accessory glands.
Digestive Tract
- Mouth: The entry point to the digestive system, containing teeth and tongue.
- Pharynx: Shared by the digestive and respiratory systems.
- Esophagus: A muscular tube connecting the pharynx to the stomach.
- Stomach: The widest part of the digestive tract, with valves preventing food from flowing back up.
- Small Intestine: A folded tube in the abdominal cavity with three sections: duodenum, jejunum, and ileum.
- Large Intestine: Comprised of the cecum, colon, and rectum, with a small extension called the vermiform appendix. The rectum leads to the anus for waste removal.
Accessory Glands
- Salivary Glands: Produce saliva, which is released into the oral cavity to aid digestion.
- Liver: Produces bile, stored in the gallbladder, and released into the duodenum. It's the largest gland in the body.
- Pancreas: Secretes pancreatic juice and other substances into the duodenum. Located below the stomach.
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