Digestive System Structures and Functions

Vocabulary flashcards reviewing the anatomical structures and primary functions of the digestive tract based on the lecture notes.

Mouth

Receives food, breaks it down into smaller pieces, and begins starch digestion.

Esophagus

Connects the pharynx and the stomach.

Stomach

Stores food, kills bacteria, and begins protein digestion.

Small digestion

Absorbs nutrients and is responsible for the digestion of all foods.

Large Intestine

Absorbs water and stores indigestable materials.

The Pharynx

Connects the mouth to the esophagus and connects the respiratory and digestive systems.

external respiration

exchange of gases between air and carbon dioxide. they diffuse into blood into the alveoli

internal respiration

exchange of gases between the blood and tis

gas exchange

allows oxygen from the air to enter the blood and carbon dioxide from the blood to leave

important blood vessels

arteries, veins and capillaries