Chapter 2 Digestion and Absorption

the digestive tract, the principal organs are the stomach and intestines.

gastro =

the process by which complex food particles are broken down to smaller absorbable particles

the flexible muscular tube extending from the mouth to the anus

where does the process of digestion begin

the oral cavity containing the tongue and teeth

chews and mixes food with salvia

mixes with the food mass and moistens it for comfortable swallowing; also helps dissolve the food so that you can taste it; only particles in solution can react with taste buds

allows you not only to taste food but also to move food around in the mouth, facilitating chewing and swallowing

the passageway leading from the nose and the mouth to the larynx and esophagus, respectively.

directs food from the mouth to esophagus

a short tube that shared for both the digestive system and the respiratory system

all the organs and glands associated with the ingestion and digestion of food

the portion of food swallowed at one time

once a mouthful of food has been chewed and swallowed, it is called

where does each bolus first slides across and bypassing the entrance to your lungs

During each swallow, the ______ closes off your trachea, the air passageway to the lungs, so that you do not choke

protects the airways during swallowing

cartilage in the throat that guards the entrance to the trachea and prevents fluid to food from entering it when a person swallows

epi =

glottis =

has a sphincter muscle at each end.

during a swallow, the upper _____ opens

The ______ then slides down the _______, which conducts it through the diaphragm to the _____