Chapter 11 Section 2 Flashcards
Absorption
The process by which nutrient molecules pass through the wall of the digestive system into the blood.
Digestion
The process by which the body breaks down complex molecules of food into small nutrient molecules.
Salvia
The fluid released when the mouth waters that plays an important role in both mechanical and chemical digestion.
Enzyme
The flap of tissue that seals off the windpipe and prevents food from entering.
Epiglottis
The flap of tissue that seals off the windpipe and prevents food from entering.
Esophagus
The muscular tube that connects the mouth to the stomach.
Mucus
A thick, slippery substance produced by the body.
Peristalsis
Involuntary waves of muscle contraction that keep food moving along in one direction through the digestive system.
Stomach
A J-shaped, muscular pouch located in the abdomen that expands to hold all of the food that is swallowed.