Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

bio 210 11 chp17

lecture notes on digestive system

QuestionAnswer
what is digestion mechanincal and chemical breakdown of food into forms that cells can use
name the anatomy of the ailementary canal long tube leading from the mouth to the anus
name some of the associated organs of the ailementary canal teeth, salivary glands, pancreas, gallbladder, liver.
name the 4 layers of the ailemetary canal mucosa, submucosa, muscular, serosa
name the two movements of the ailementary canal segmentation, peristalsis
what does segmentation movement do? mix and churn
what does peristalsis do? rythmic contractions to push food forward
how does mastication play a role in mechanical and chemical digestion? mechanically the teeth breakdown food, and mix w/ enzymes by crushing.
what are the 4 taste buds on the tongue salt, sweet, bitter, sour
where are the salt taste buds at? generally all over
where are sweet taste buds at? tip of tongue
where are the bitter taste buds at? back of tongue
where are the sour taste buds at? sides of the tongue
name the two areas of the tooth crown, root
what is most of the tooth made of? dentin, floride
what is the enamel and what is it made of the hard substance on the outside of the tooth, made of Ca, and floride
what is cementum covers the root portion, anchors the tooth in the gum
what is the ligament that holds the tooth to the bone? peridontal ligament
what is the alveolar process? indention in bone that sockets teeth
what is the pulp cavity? is the cavity in a tooth for n. and blood vessels
what is the root canal? refers to the openings for n. and blood vessels into bottom of the tooth.
age when primary teeth are pushed out? about 6 years of age
what are dental caries? weakened spots on teeth resulting from bacterial waste eating away at enamel
name the 3 salivary glands parotid, sublingual, submaxillary
what does the parotid gland release? salivary amylase
what does the submandibular release? mucus salivary amylase
what does the sublingual gland release? mucus
about how much saliva is produced/day ~1L
what are helicobacter pylori? caustive agent of peptic ulcers
what is pyloric stenosis? narrowing of pyloric region
what are intrisic factors? hormones, chemicals released that promote certain results
name the 5 componets of gastric juice mucus, hydrochloric acid, pepsinogen, pepsin,intrisic factors
name the 4 steps in gastric secretion parasympathetic system notified of stomach impuses through vagus n. parasympathitic postganglion impules stimulate release of gastric juices impluses stimulate release of gastrin into blood stream gastrin stiumlates gastric glands to realase more gastric juices
what is a target oran? organ that responds to release of a specific hormone
about how long does food stay in the stomach? 2-6 hours
what is cholecystokinin? released by duodenum in reponce to fats, causes decrease gastric motility
what is a enterogastric reflex stretch receptors stimulate vagus n. and reflex to slow gastric motility
what does the where does exocrin part of the pancrease release? acini and then into smaller ducts and finally into the largest pancreatic duct
what do the acini release? enzymes and bicarbonate H2CO3
what do the beta cells of Islands of Langerhans release, and where? insulin mainly, and into the bloodstream
how is the pancrease important for digestion? regulates blood sugar levels, helps with breakdown of fats, starches and proteins
what is type 1 diabetes? insulin dependant or juvenille dependant, insulin must be injected into blood stream to regulate
what is type 2 deabetes? insulin is produced, however the body does not respond to it.
what do the alpha cells of Islands of Langerhans release? glucagon
what does glucagon do for the body? increase blood sugar levels
is insulin and glucagon hormones or enzymes? hormones
list 5 functions of the liver Secretion of bile detoxify poisons stores minerals filtes blood produces clotting factors
what does the gallbladder do? store bile
what is cholelithiasis? stones (calculi) in the gallbladder or ducts
what kind of foods will increase symptoms of cholelithiasis? fatty foods
list the 3 stages to swallowing oral pharyngeal esophageal
what is another name for swallowing? deglutation
what are enterogastrones? any hormones released by the duodenum to reduce gastric motility
enterogastric reflex is what? a response starting at the duodenum to reduce gastric motility
what is gastroileal reflex increase ileal motlity and opening of ileocecal sphincter as food enters the stomach
what is the noraml flora of the large intestine? (E.Coli)
what does (E.Coli) do for us? destroy foreign bacteria digest cellulose makes vitamins k and b12
name 5 componets of feces pigments cellulose toxins undigested fats epitheleal cells
3 types of teeth incisors, cuspids, molars
another name for cuspids canines
age when primary teeth erupt? anywhere from prenatal, to 6 months of age
what is normal blood sugar level range? 80-110
name 6 functions of the stomach chemical digestion mechanical digestion intrinsic hormone release resesvoir for food entering duodenum kills some harmful bacteria some aborption
Created by: heatxfer
Popular Biology sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards