Digestive System Flashcards
What are the parts in the digestive system
Alimentary canal and accessory organs
Describe alimentary canal
Digestive track
Describe accessory organs
Organs that aid in digestion but are not a part of the tract
What organs are in the alimentary canal
Mouth esophagus throat rectum anus stomach small and large intestine
What organs are in the accessory organs
Pancreas gall badder liver salivary glands
What are tissues of the digestive system
Epithelial tissue
Muscle tissue
Nerve tissue
Connective tissue
Describe the epithelial tissue
Lines digestive track
Describe muscle tissue
Found in the esophagus, stomach, and intestines
Used to help contract and push food along
Describe nerve tissue
Contraction of stomach
Signals acid release
Signals when stomach is full
Describe connective tissue
Blood vessel
What are the steps in the digestion process
Ingestion, digestion, absorption and egestion
Desribe ingestion?
Eating food
Describe digestion
Breaking down food, either chemically or mechanically
Whats mechinal digestion
Physically breaking down food
What’s chemical digestion
Chemically digesting food
Describe absorption
Absorbing nutrients from food particles
Describe egestion
Removing solid waste
Describe the mouths role
Mechanical breaking down food
Describe esophagus roles
Contracting smooth muscles to push food along
Describe stomachs role
Hold and churn food
Describe the small insteines role
Absorbs food nutrients
Desribe the small intestines role
Abrobes food nutrients
What are the parts of the small intestine
Duodenum
Jejunum
Ileum
Describe duodenum
Right after stomach
