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

Human nutrition

TermDefinition
Autotrophic An organism makes its own food
Heterotrophic An organism must get its food from the environment
Herbivores Eats plants
Carnivores Eat other animals
Omnivore Eat plants and animals
Mechanical digestion Physical break down of food
Chemical digestion Breaking down food by enzymes and stomach acid (PH2)
Digestive system Alimentary canal =gut=long tube from mouth to anus
Ingestion Taking food into the body
Digestion Breaking down food
Absorption Movement of digested food from the gut into the bloodstream by diffusion
Egestion Removal of unabsorbed food from the body
Incisors For biting
Canines For tearing
Premolars For chewing
Molars For chewing
Lysozyme An enzyme that kills micro organisms
Peristalsis Muscular interactions of the gut
Fibre roll To prevent constipation
Fibre source Fruit and vegetables
Fibre Benefit Reduces risk of colon cancer
Stomach function Stores and digests food
Stomach structure Lining of the stomach is heavenly folded into millions of gastric glands
Goblet cells Secrete mucous (lines stomach,prevents it from digesting it's self)
Zyomogen cells Secrete pepsinoegn (inactive form of pepsin )
Oxyntic cells Secrete HCL kills bacteria and activates pepsin
Mucous + pepsinogen+ HCL Gastric juice
3 parts of the small intestine Duodenum ,ileum , jejenum
Duodenum function Digestion
Duodenum Has many villi and micro villi
Pancreas function Secretes insulin,produces sodium bicarbonate,produces amylase
Liver function Makes bike,breaks excess protein down into urea,stores irons and vitamins
Gall bladder function Stores bile
Bile duct function Transports bile from the gall bladder to the duodenum
Illeum/jejunum function Absorption
Ileum /jejunum adaptions Many villi,villus walls only one cell thick ,rich boo I'd supply inside the villus
Hepatic portal vein function Transports nutrients from ileum/jejunum to liver
Hepatic vein function Transports wastes like urea to the the kidneys
Lacteals functions Contains lymph
Created by: Jessicakirwan
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