Digestion System Flashcards
What is digestion?
Mechanical and chemical breakdown of foods into forms that the body cells can absorb
What is the alimentary canal?
Organs that form a pathway that extends from the mouth to the anus
What is churning?
Mixing of substances
What is peristalsis?
Movement of substances through the esophagus to the stomach
What is the mouth responsible for?
Responsible for initiating digestion using chewing and saliva
What is mastication?
Means chewing
What does the salivary glands do?
Make saliva
Function of the teeth? How many teeth in the mouth?
Function is to decrease size of food particles.
32 teeth in mouth; 16 on lower and upper jaw
Function of the pharynx
Throat; passageway between oral and esophagus
Function of the esophagus
Is the tube that connects the mouth to the stomach by way of peristalsis
Function of the stomach
receives food from esophagus; continues breaking down food using gastric juices
- located in upper left quadrant
Function of small intestine
Main site of absorption of nutrients
Which sections can be found in the small intestine
- duodenum
- jejunum
- ileum
Function of the large intestine
Is also known as the colon
- responsible for absorption of nutrients
What sections can be found in the large intestine?
- cecum that connects to the ileum
- ascending colon
- transverse colon
- descending colon
- sigmoid colon
Function of the liver
Produces bile needed to breakdown fats
- located upper right quadrant