Questions and Answers
What is the oral cavity and what does it contain?
The oral cavity is the first part of the digestive tract known as the mouth. It contains teeth, tongue, lips, tonsils, uvula, and the cheeks.
What is the function of the salivary glands?
The salivary glands produce saliva, which keeps the mouth and other parts of the digestive system moist.
What is the function of the tongue?
The tongue aids in moving food in the mouth, chewing, and swallowing.
What is a bolus?
Signup and view all the answers
Where are the soft and hard palate located and what are their functions?
Signup and view all the answers
What mechanical and chemical digestion occurs in the oral cavity?
Signup and view all the answers
What mechanisms are in place to make sure food does not 'go down the wrong tube' and into the windpipe?
Signup and view all the answers
What are the size and the location of the pancreas?
Signup and view all the answers
What are the different functions of the pancreas, and how is the pancreas directly related to digestion?
Signup and view all the answers
How does the pancreas connect to the rest of the digestive system?
Signup and view all the answers
What enzymes are produced by the pancreas and what are their functions?
Signup and view all the answers
How is insulin related to the digestive system?
Signup and view all the answers
What is the size of the liver and where is it located?
Signup and view all the answers
How does the liver function in relation to digestion?
Signup and view all the answers
What is one function of the liver in the body?
Signup and view all the answers
What is another function of the liver in the body?
Signup and view all the answers
What is a third function of the liver in the body?
Signup and view all the answers
What is a fourth function of the liver in the body?
Signup and view all the answers
What is a fifth function of the liver in the body?
Signup and view all the answers
What is the relationship between the liver and the gallbladder?
Signup and view all the answers
What is the function of bile and where does it enter the digestive tract?
Signup and view all the answers
What is the first section of the small intestine?
Signup and view all the answers
What is the second section of the small intestine?
Signup and view all the answers
What is the third section of the small intestine?
Signup and view all the answers
What is the pH within the small intestine and how is this pH maintained?
Signup and view all the answers
Study Notes
Oral Cavity
- The oral cavity, or mouth, is the initial segment of the digestive tract.
- It houses the teeth, tongue, lips, tonsils, uvula, and cheeks.
- Mechanical digestion occurs through chewing, while chemical digestion begins with saliva enzymes.
Salivary Glands
- Salivary glands are responsible for producing saliva which keeps the mouth moist, aiding in digestion.
Tongue Functions
- The tongue plays a vital role in manipulating food for chewing and swallowing.
Bolus
- A bolus refers to a small, rounded mass of chewed food ready for swallowing.
Palate
- The hard palate is positioned at the front of the mouth and supports tooth roots, while the soft palate, located at the back, assists in swallowing.
Esophagus and Trachea Separation
- The epiglottis, a flap of skin, prevents food from entering the trachea by blocking the airway during swallowing.
Pancreas Size and Location
- The pancreas is approximately 6 inches long and located behind the stomach in the abdomen.
Pancreas Functions
- The pancreas has both endocrine (hormone regulation, e.g., blood sugar) and exocrine (digestive enzyme secretion) functions.
Pancreatic Connection
- It connects to the gallbladder and small intestine, playing a crucial role in digestion.
Pancreatic Enzymes
- Produces enzymes such as proteases (digests proteins), amylase (digests carbohydrates), and lipase (digests fats).
Insulin Relation to Digestion
- Insulin is released in response to high blood glucose levels, often after intake of sugar.
Liver Size and Location
- The liver is the largest internal organ, comparable to a football, located above the stomach and beneath the diaphragm.
Liver's Digestive Role
- The liver processes nutrients absorbed from the small intestine.
Liver Functions
- Key functions include excretion of bilirubin, cholesterol, hormones, and drugs.
- It metabolizes macromolecules, activates enzymes, and stores glycogen, vitamins, and minerals.
- It synthesizes proteins vital for blood clotting.
Liver and Gallbladder Relationship
- The liver produces bile, essential for fat absorption, stored in the gallbladder until needed.
Bile Function and Entry
- Bile aids in fat digestion and contains waste products, entering the digestive tract from the liver.
Small Intestine Sections
- The small intestine consists of three sections: duodenum (first), jejunum (second), and ileum (third).
Small Intestine pH
- The pH of the small intestine is 6, maintained by bicarbonate ions.
Bile and Pancreatic Enzyme Entry
- Bile and pancreatic enzymes enter the small intestine, facilitating digestion.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
This quiz provides essential flashcards covering the oral cavity, salivary glands, and tongue functions within the digestive system. Each card offers a question followed by a detailed answer to help reinforce understanding of these key concepts. Great for students studying human anatomy and physiology.