Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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 Health

Chapter 12

Human health depends on factors, two important factors are Inherited factors and environmental factors
processes in the body are controlled by Enzymes and hormones
Enzymes are proteins which speed up chemical reactions
hormones are proteins which bring about a response in the body
if you are lactose intolerant you lack the enzyme lactase
examples of inherited disorders include cystic fibrosis and haemophilia
nutrition is how an organism get its food and what type of food it gets
a balanced diet is one which contains the correct amount of protein ,carbohydrate, fat,minerals, vitamins and water
diabetes occurs if you do not produce enough of the hormone insulin
which food groups is found at the bottom of the food pyramid fruit and vegetables
what size is a portion size of meat the size of the palm of your hand
a serving of pasta is the size of a clinched fist
Carbohydrates are divided into starch and fibre
a deficiency disease associated with lack of vitamin C is Scurvy
a deficiency disease associated with lack of vitamin D is Rickets
a lack of calcium can cause osteoporosis
a lack of iron can cause anaemia
to test for starch use Iodine it changes from brown to blue black if starch is present
To test for glucose use Benedicts solution it changes from blue to brick red if glucose is present
to test for protein use Biuret reagent it changes from blue to purple violet if protein is present
to test for fat place oil on brown paper and when it dries it leaves a translucent spot
energy is the ability to do work
energy is measured in Joules or kilojoules
Recommended exercise each day for young people is 1 hour
water helps to keep body temperature at 37 degrees celsius
Created by: PDervin



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:
restart all cards