Digestive system

Biology 1010 with Kearly at Auburn University

About this deck

By: jeb coker
Textbook:

Biology: Life on Earth with Physiology Value Pack (includes Current Issues in Biology, Vol 5 & Current Issues in Biology, Vol 4)
Created: 2010-03-01
Size: 30 flashcards
Views: 44

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A uscular sac that stores and mixes food-breaks down proteins into polypeptides. (holding tank)

Stomach

Create stomach acid (composed of HCL, mucus, and pepsinogen)

Gastric glands

hydrolizes protein. Created when pepsinogen comes into contact with HCL

Pepsin

Thick liquidy mixture created in the stomach, due to stomach contractions and high acidity.

Chyme

Infection by bacteria that gets past the protective lining

Peptic ulcer

Chyme exits the stomach through the ______

pyloric sphincter

Chyme enters this after passing through the pyloric sphincter. It is the first 8-10 inches of the small intestine. It receives secretions from the stomach, pancreas, liver and gall bladder.

duodenum

Produces enzymes and sodium bicarbinate.

Pancreas

Produces bile which accumulates in the gall bladder between periods of digestion.

liver

Breaks down large drops of lipids into smaller drop.

Bile

Middle portion of the small intestine.

Jejunum

The rest of the small intestine. Or the final section.

ileum

The folds in the walls of the small intestines are called ______. These folds are covered with thousands of fingerlike projections called ______

Plicae Circulares; villi

Each villus houses a lymph vessel called a _____

lacteal

Digestion is essentially complete at the end of this.

ileum

Indigestible residue passes through the _______ _______ and into the large intestine.

ileocecal valve

The pouch like end of the large intestine hanging just below the junction of the illeum and appendix.

Cecum

Rises along the right side of the abdominal cavity.

accending colon

Moves down the left side of the abdominal cavity.

descending colon

crosses the abdominal cavity

Transverse colon

"S" shaped region of the colon. End of it signifys rectum.

Sigmoid colon

______ _______ forces feces into the rectum and then out the anus.

peristalic contractions

The walls of the colon absorb what?

water

Too much water is consumed by colon=

constipation

too little water absorber by colon=

diarrhea

This organ has hundreds of functions

Liver

Changes glucose to glycogen and breaks down glycogen into glucose.

carbohydrate metabolism

Changes portions of carbs and protien molecules into fat.

lipid metabolism

3 things the liver stores

iron, vitamins, glycenogen

too much scar tissue on liver (from drinking) causes ...

Cirrosis

About this deck

By: jeb coker
Textbook:

Biology: Life on Earth with Physiology Value Pack (includes Current Issues in Biology, Vol 5 & Current Issues in Biology, Vol 4)
Created: 2010-03-01
Size: 30 flashcards
Views: 44

About StudyBlue

“I have been getting MUCH better grades on all my tests for school. Flash cards, notes, and quizzes are great on here. Thanks!”
Kathy