Digestive Vocabulary

Digestive Vocabulary
Mechanical Digestion-
when foods are physically broken down into
smaller pieces (physical change)
Chemical Digestion-
chemicals produced by the body break foods into
their smaller chemical building blocks/ molecules
(chemical change)
process by which nutrients pass through the walls of the
digestive system and enter the blood stream
fluid produced in the salivary gland and released in the mouth
to aid in digestion
proteins that speed up chemical reactions in the body
Epiglottis- flap of tissue that blocks the trachea, stopping food from
entering the lungs
Esophagus- muscular tube that leads from the mouth to the stomach
Peristalsis- involuntary waves of muscle contractions that pushes food
through the digestive system
the j-shaped pouch that is made of smooth muscle; mostly
mechanical digestion and some chemical digestion
largest organ in the body; produces bile, breaks down medicine,
filters toxins, and regulates blood sugar level
substance produced by the liver that breaks up fat particles into
smaller pieces (mechanical digestion)
Gall BladderPancreas-
stores bile and releases it into the small intestine
produces enzymes that are released into the s. intestine that
break down fat, starch, and protein; makes insulin
Villus (villi)-
located on surface lining of small intestine; responsible
for absorption
Large Intestine-
where water is absorbed into the bloodstream; bacteria
lives here and produces vitamin K and gas
tube where wastes are stored
the opening where waste is eliminated from the body
rip, tear, crush food in the mouth; mechanical digestion
muscle in the mouth that aids in chewing and swallowing
first part of the small intestine where bile, from the gall
bladder, and enzymes, from the pancreas, enter