Anaphy Finals (Digestive, Lymphatic, Respiratory, Excretory, Reproductive)

Digestive System

It performs the vital task of transforming food into chemicals that can be absorbed into cells

Digestive/Alimentary tract

The tract that connects the mouth to anus

Accessory Organs

Organs that aid the digestion process

Gastroenterology

Study of the digestive tract and its diseases

Ingestion

Happens at the oral cavity, Intake of solid/liquid food

Mastication

Process by which the teeth chew food in the mouth

Propulsion

Movement of food from one end of the digestive tract to another

24-36 hours

What is the total time food takes to travel the length of the digestive tract?

Swallowing

“Deglutition.” Moves the liquid/mass of food known as the “bolus” from the oral cavity to the esophagus

Peristalsis

Propels materials through most of the digestive tract

Mass movements

Contractions that move materials in some parts of the large intestine

Secretion

Mixes the food with the digestive secretion in order to break it to smaller pieces. Works with peristalsis to break down the food

Digestion

Breakdown of large organic molecules into smaller parts

Absorption

Movement of molecules out of the digestive tract and into the circulatory or lymphatic system

Elimination

Process by which the waste products of digestion are eliminated from the body.

Mucosa

Innermost layer of the Digestive tract

Mucous Epithelium, Lamina Propria, Muscularis Mucosae

What are the 3 layers of Mucosa

Submucosa

Thicker layer of Connective Tissue