Bio 12- Digestive system
Terms in this set (48)
when your intestines absorb essential vitamins and minerals
can live with or without air
secretes feces. last step to digestion
appendix can act as a reserve for good bacteria may be part of immune system, but rather useless.
released by the liver and stored in the gallbladder. works in small intestine
extremely small blood vessel located within the tissues of the body, that transports blood from arteries to veins.
a sphincter between the esophagus and the stomach, opening at the approach of food that can then be swept into the stomach by rhythmic peristaltic waves.
the process through which the body of a mammal reduces food to a size where the nutrients that it contains can be absorbed into the bloodstream.
certain enzymes like amylase, trypsin, pepsin and others
the track of digestion, starting at mouth, ending at anus
the beginning 25 cm of small intestine has trypsin, amylase, lipase in it.
the breakdown of large fat globules into smaller, uniformly distributed particles. It is accomplished mainly by bile acids in the small intestine
a flap that is made of elastic cartilage tissue covered with a mucous membrane, attached to the entrance of the larynx.
where bolus goes after chewing, to face the stomach
stores bile from liver to be used
combination of hcl and pepsin
combines with pepsinogen to make pepsin, a digestive enzyme. (stomach)
a hormone secreted by pancreas. secreted when glucose levels are high, to lower them. shortage is hyperglycemia or diabetes
intestinal juice, clear to pale yellow, watery secretion composed of hormones, digestive enzymes, mucus, and neutralizing substances released from the glands and mucous-membrane lining of the small and large intestines.
lymphatic capillary that absorbs dietary fats in the villi of the small intestine.
Triglycerides are emulsified by bile and hydrolyzed by the enzyme lipase, resulting in a mixture of fatty acids and monoglycerides
large intestine (colon)
everything large intestine to anus, finishes digestion. has good e.coli 1.5 m long
secreted by pancreas. goes to duodenum, lipids to 3 fatty acids and glycerol.
detoxifies blood, stores vitamins, makes plasma proteins, stores glucose, produces urea from amino acids, regulates blood cholesterol level,produces bile, receives products of small intestine digestion, converts glycerol and a.a. to glucose if no glycogen is present
secreted by small intestine and stays there. changes maltose to glucose
microscopic cellular membrane protrusions that increase the surface area of cells and minimize any increase in volume and are involved in a wide variety of functions, including absorption, secretion,
secreted by pancreas ends up in small intestine digests RNA/DNA to nucleotides
secretes trypsin, amylase,lipase and nuclease
An enzyme secreted by the pancreas that digests starch.
A clear, alkaline secretion of the pancreas containing enzymes that aid in the digestion of proteins, carbohydrates, and fats.
Combination of pepsinogen and HCl, breaks down bolus
secreted from gastric glands and goes to stomach to become pepsin.
An enzyme that catalyzes the hydrolysis of peptides into amino acids.
The wavelike muscular contractions of the intestine or other tubular structure that propel the contents onward by alternate contraction and relaxation. Also called vermicular movement.
measures acidity/basicness of something
part of the throat that lies between the mouth and the larynx or voice box.
chewing and physical moving stuff
Any of various enzymes, including the proteinases and peptidases, that catalyze the hydrolytic breakdown of proteins.
a sphincter at the opening from the stomach into the duodenum. It is usually closed, opening only for a moment when a peristaltic wave passes over it. Also called pyloric valve.
where feces goes before its excrement
part of saliva, starts breaking starch down
produces amylase, and saliva
salivary juice/ saliva
helps swallowing bolus.
about 6 meters long,
raises the ph of chime entering small intestine and has a corrosive effect on food
contains gastric juice breaks down chyme
forces food from mouth down esphougas
secreted by pancreas. to duodenum, digests proteins to peptides.
a small vascular process or protrusion, especially from the free surface of a membrane.
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