Digestive System Flashcards
(27 cards)
Innermost layer of intestines comprised of mucus
Mucosal layer
Mucosal layer, submucosal layer, muscularis externa layer
3 layers of intestines
3 layers of intestines
Mucosal layer, submucosal layer, muscularis externa layer
The path that takes when food is digested
Gastrointestinal tract
Eating and mechanically and chemically breaking down the food in mouth
Ingestion
What do nucleotides form
Nucleic acids
Accessory parts of digestive system
Salivary glands, teeth, tongue, liver, gallbladder, pancreas
What are lipids broken into
Fatty acid
Steps of digestion
Ingestion - Propulsion - Mechanical and Chemical breakdown in stomach - Chemical breakdown in intestines - Absorption - Defecation
What are nucleic acids broken down into
Nucleotides
Absorption
Occurs in small and large intestines where they absorb nutrients
Mucosal layer
Innermost layer of intestines comprised of mucus
Ingestion
Eating and mechanically and chemically breaking down the food in mouth
Middle layer of intestines, comprised of elastic
Submucosal layer
Organs in the gastrointestinal tract
Mouth - Pharynx - Esophagus - Stomach - Small Intestines - Large Intestine
Gastrointestinal tract
The path that takes when food is digested
Muscularis externa layer
Outer layer of intestines responsible for contracting to move food
What do amino acids form
Proteins
Propulsion
Swallowing
Submucosal layer
Middle layer of intestines, comprised of elastic
Outer layer of intestines responsible for contracting to move food
Muscularis externa layer
What do carbs break down into
Sugars
Swallowing
Propulsion
What do sugars form
Carbs
