The Digestive System.

Front 1

The _______, or throat, is a funnel-shaped tube connected to the posterior end of the mouth. It is responsible for the passing of masses of chewed food from the mouth to the esophagus, and it also plays an important role in the respiratory system, as air from the nasal cavity passes through the _______ on its way to the larynx and eventually the lungs

Back 1

Pharynx

Front 2

Because the pharynx serves two different functions, it contains a flap of tissue known as the _________ that acts as a switch to route food to the esophagus and air to the larynx.

Back 2

epiglottis

Front 3

The _________ is a muscular tube connecting the pharynx to the stomach that is part of the upper gastrointestinal tract. It carries swallowed masses of chewed food along its length.

Back 3

esophagus

Front 4

At the inferior end of the esophagus is a muscular ring called the lower Stomach, gallbladder and pancreasesophageal sphincter or _______ sphincter.

Back 4

cardiac

Front 5

The _______ is a muscular sac that is located on the left side of the abdominal cavity, just inferior to the diaphragm.

Back 5

stomach

Front 6

The _________ is the dome-shaped sheet of muscle and tendon that serves as the main muscle of respiration and plays a vital role in the breathing process.

Back 6

diaphragm

Front 7

The __________ is a flexible flap at the superior end of the larynx in the throat.

Back 7

epiglottis