Digestive System

Loading Flow

Downloading Image /

Pharynx & Esophagus

1) structure of the pharynx

Divided into a nasopharynx, oropharynx, and laryngopharynx

2) swallowing mechanism

3 stages

A. Food is mixed with saliva and forced in oropharynx

B. Involuntary reflex move food into esophagus

C. Peristalsis transports food to stomach

3) Esophagus

Passes through diaphragm and joins the stomach

Circular muscle fibers at the distal end of the esophagus help prevent regurgitation of food from stomach.

Downloading Image /

left

right

13 / 25

fullscreen

Digestive System

Great for Anatomy tests, quizzes and final exams

Create your Flow