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Definitions for various terms related to the digestive system, including feeders, substrate, fluid, bulk, ingestion, digestion, absorption, elimination, vacuoles, gastrovascular cavity, alimentary canal, peristalsis/sphincters, bolus, glycoprotein/buffers, larynx, stomach, gastric juice, pepsinogen/hcl, pepsin, small intestine, duodenum, pancreas, liver/bile/gallbladder/bile, diffusion, fatty acids/glycerol, large intestine/colon, diarrhea, and constipation.
Typology: Quizzes
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_______________ feeders sift small organisms or food particles from water. TERM 2
DEFINITION 2 ____________ feeders live in or on their food source and eat their through it. TERM 3
DEFINITION 3 ____________ feeders suck nutrient-rich fluids from a living host. TERM 4
DEFINITION 4 ___________ feeders ingest large pieces of food. TERM 5
DEFINITION 5 ___________ is the act of eating.
___________ is the breaking down of food into molecules small enough for the body to absorb. TERM 7
DEFINITION 7 ___________ is the take-up of the products of digestion, usually by the cells lining the digestive tract. TERM 8
DEFINITION 8 ____________ is the removal of undigested materials out of the digestive tract. TERM 9
DEFINITION 9 Sponges digest food in __________. TERM 10
DEFINITION 10 Cnidarians and flatworms have a ________________ with a single opening, the mouth.
The stomach can stretch and store up to ____________ of food and drink. TERM 17
DEFINITION 17 The stomach secretes ______________, made up of mucus, a protein-digesting enzyme, and strong acid with a pH of about 2 that kills ingested bacteria, breaks apart cells in food, and denatures proteins. TERM 18
DEFINITION 18 ______________________ and _____ (hydrochloric acid) produce active pepsin. TERM 19
DEFINITION 19 _____________ helps activate more pepsinogen, starting a chain reaction, and beings the chemical digestion of proteins. TERM 20
DEFINITION 20 _____________________ is named for its smaller diameter, about 6 meters long, the site of much chemical digestion, and where most nutrients are absorbed.
The first 25 cm of the small intestine is the ___________, where chyme is squirted from the stomach mixes with digestive juices from the pancreas, liver, gallbladder, and gland cells in the intestinal wall. TERM 22
DEFINITION 22 The ______________ produces a juice that produces containing a mixture of digestive enzymes and alkaline solution rich in bicarbonate. TERM 23
DEFINITION 23 The ________ produces ______, which is stored in the _____________ until it is needed. ______ breaks up fats into small droplets that are more susceptible to attack by digestive enzymes. TERM 24
DEFINITION 24 Nutrients pass into epithelial cells by _________ and against concentration gradients. TERM 25
DEFINITION 25 _____________ and ___________ are recombined into fats, coated with proteins, and transported into lymph vessels.
