Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why

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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.


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.

Remove ads
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards




share
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

Nutrition

Vocab. Words

TermDefinition
Autotroph an organism that is able to form nutritional organic substances
Heterotroph an organism deriving its nutritional requirements from complex organic substances.
Chemoautotroph an organism, typically a bacterium, that derives energy inorganic compounds.
Photoautotroph are organisms that carry out photosynthesis.
Calories units use for food
Energy Energy exists in different forms but is neither created nor destroyed; it simply converts to another form
Ingestion the process of taking food, drink, or another substance into the body by swallowing or absorbing it.
Digestion the process of breaking down food by mechanical energy
Egestion is the discharge or expulsion of undigested material (food) from a cell in case of unicellular organisms,
cellulose is the main constituent of plant cell walls and of vegetable fibers such as cotton
Body mass index a weight-to-height ratio, calculated by dividing one's weight in kilograms by the square of one's height in meters and used as an indicator of obesity and underweight.
Absorption the process or action by which one thing absorbs or is absorbed by another.
Diffusion the intermingling of substances by the natural movement of their particles.
Villi A small projection on the surface of a mucous membrane, such as that of the small intestine
Constipation Causes of constipation. Constipation happens when the colon absorbs too much water; this can occur if the muscles in the colon are contracting slowly or poorly, causing the stool to move too slowly and lose more water.
Enzyme catalysts are substances that increase the rate of chemical reactions without being used up.
Macromolecules A large complex molecule, such as nucleic acids, proteins, carbohydrates, and lipids, with relatively large molecular weight
Bulimia An eating disorder characterized by episodes of secretive excessive eating (binge-eating) followed by inappropriate methods of weight control, such as self-induced vomiting (purging), abuse of laxatives and diuretics, or excessive exercise.
Anorexia : An eating disorder characterized by markedly reduced appetite or total aversion to food.
Created by: Darylen