Question | Answer |
largest and heaviest organ inside the body | liver |
fluid released when the mouth waters that plays an important role in both mechanical and chemical digestion | saliva |
tiny finger shaped structures that cover the inner surface of the small intestine and provide a large surface area where digested food is absorbed | villi |
short section at the end of the large intestine where waste material is compressed into solid form (poop)before being eliminated | rectum |
indication on a food label of how the nutritional content of a food fits into the diet of a person who consumes a total of 2000 calories a day | percent daily value |
opening at the end the digestive system through
which wastes are eliminated | anus |
thick slippery substance produced by the body | mucus |
an amount of energy needed to raise the temperature of 1 gram of water by 1 degree c | calorie |
triangular organ that produces enzymes that flow into the small intestine | pancreas |
the last section of the digestive system were water is absorbed from food | large intestine |
j-shaped muscular pouch located in the abdomen
that expands to hold all of the food that is swallowed | stomach |
flap of tissue that seals off the windpipe and prevents food from entering | epiglottis |
part of the digestive system in which most chemical digestion takes place | small intestine |
process by which nutrient molecules pass through the wall of the digestive system into the blood | absorption |
organ that stores bile after it is produced in the liver | gallbladder |
involuntary waves of muscle contraction that keep food moving along in one direction through the digestive system. | peristalsis |
process by which the body breaks down food into nutrients | digestion |
muscular tube that connects the mouth to the stomach | esophagus |