Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Biology 9.5 Part 1
Biology- Nutrition and Digestion Chapter 9 Section 5 -FINISHED
| Question | Answer |
|---|---|
| ______ is a saclike, J - shaped, storage structure that has a capacity of about three pints. | Stomach |
| Some cells in the stomach wall secrete mucus, some cells secrete hydrochloric acid, and some cells secrete gastric enzymes and other substances; these secretions combined form _____ ______. | gastirc juice |
| ____ ____ softens foods; kills bacteria; and reacts with certain minerals, making them soluble so they can better be absorbed through the walls of the small intestine. | hydrochloric acid |
| Peristaltic movements in the stomach in combination with gastric juices secretions reduce the semisolid bolus to a thick liquid called _____. | chyme |
| The ___ ___ valve, located at the lower end of the stomach, keeps food in the stomach until the food has been sufficiently mixed with gastric juices and is ready to enter the small intestine. | pyloric spincter |
| The ____ produces a greenish - colored substance called bile, which is secreted from the liver and stored in the saclike gallbladder beneath the liver. | liver |
| The liver produces a greenish - colored substance called _______, which is secreted from the liver and stored in the saclike gallbladder beneath the liver. | bile |
| The liver produces a greenish - colored substance called bile, which is secreted from the liver and stored in the saclike ________beneath the liver. | gallbladder |
| ______ ______, the most important component of bile, helps with the digestion of fats in the small intestine. | Bile salts |
| this linkage breaks large droplets into smaller droplets, a process called ______, to expose a greater surface area for digestive enzymes to attack. | emulsification |
| Bile enters the small intestine from the gallbladder through the ____ ___ ____. | common bile duct |
| the ______ produces pancreatic juice and secretes this jjuice into the small intestine through the pancreatic duct. | pancreas |
| ____ _____ contains several important enzymes, including pancreatic lipase, which digests fats; pancreatic amylase, which digests carbohydrates; and trypsin, chymotrypsin, and carboxypeptidase, which act on proteiins. | Pancreas juice |
| The pancreas also produces dissolved _____ ______ (the same chemical substance as household baking soda), which neutralizes the hydrochloric acid secreted by the gastric glans. | sodium bicarbonate |
| The ____ _____, which serves as the primary organ of digestion and absorption, is a long tube (about 10 feet long in an average living adult) constructed of two layers of muscle; one layer of muscle runs lengthwise, and the other encircles the intestine. | small intestin |
| the primary organ of digestion and absorption | small intestine |
| The first ten inches of small intestine is called the ______; the middle section called the jejunum, is somewhat longer than the __________, the longest part of the small intestine is the ileum. | duodenum and duodenum |
| The first ten inches of small intestine is called the duodenum; the middle section called the _______, is somewhat longer than the duodenum, the longest part of the small intestine is the ileum. | jejunum |
| The first ten inches of small intestine is called the duodenum; the middle section called the jejunum, is somewhat longer than the duodenum, the longest part of the small intestine is the _______. | ileum |
| The ____ ________ of the small intestine produce intestinal juice which contains several enzymes, including intestinal amylase, intestinal lipase, peptidase, maltase, sucrase, and lactase. | intestinal glands |
| food is made available to the body by ______, the movement of water, digested food, and other dissolved substances into the bloodstream. | absorption |
| _____ are tiny, hairlike projections of the small intestine whose primary function is to absorb digested food. | Villi |
| On the free surface of the epithelial cell extending into the passageway of the digestive tract are fine extensions of the cell membrane called _____. | microvilli |
| In the center of each villus is another type of tubelike vessel called a _____. | lacteal |
| Whenever the level of glucose in the blood rises above normal (such as after you eat lunch), the pancreas releases a hormone called ____. | insulin |
| Whenever the level of glucose in the blood falls below normal, on the other hand, the pancreas releases a hormone called _______ that signals the liver to convert ________ back into glucose and release the glucose into the bloodstream. | glucagon |
| If more proteins are consumed than the body need to build and repair its tissues, the liver converts the build and repair its tissues, the liver converts the excess amino acids into fuels the body can use and a waste substance called ______. | urea |
| Although the ______, or large intestine, is larger in diameter than the small intestine, it is much shorter. | colon |
| The colon joins the small intestine from the side instead of of end to end. At this junction is a pouch, called the cecum, possessing a small fingerlike structure, the ____ _____. | vermiform appendix |
| It is the appendix which sometimes becomes infected and causes _____, a condition that often requires surgery. | appendicitis |
| The _____, joined to the end of the descending colon, stores indigestible materials which pass through the digestive system. | rectum |
| These wastes, called _______, are semisolid and relatively dry by the time they finish their passage through the colon. | feces |
| Feces are stored in the rectum until they are passed from the body through the ____. | anus |
Created by:
Teens
Popular Biology sets