heme(亚铁血红素).ppt

Iron and the Effects of Exercise
Unit 2
Consolidation
Writing
Detailed Study
Presentation
Assignment
Content
BOOK 3
Unit 2
New Horizon College English
I. Iron Challenge
How much do you know about iron?
Take the quiz and tell your reasons for your choices!
Everyone needs iron to grow and stay healthy. It is found in many parts of the body. Choose one thing iron does in your body: (reference)
a. It helps your fingernails stay smooth.
b. It helps to carry oxygen from lungs to cells.
c. It helps your hair stay healthy.
d. It helps to strengthen your muscles.
Iron Challenge
Question 1 / 10
Everyone requires a different amount of dietary iron to stay healthy. Which of the groups below needs the most iron each day? (reference)
Iron Challenge
Question 2 / 10
a. infants,7-12  months old
b. teen girls,14-  18 years old
c. men,19-50  years old
d. women,19- 50 years old
You may be iron deficient if you are a woman and _____.
(reference)
a. have a long menstrual period
b. donate blood often
c. don't eat meat, fish or poultry
d. all of the above
Iron Challenge
Question 3 / 10
There are two types of iron. One is heme(亚铁血红素), which is easily absorbed by the body; and the other is non-heme, which is not as well absorbed. Choose one food that
contains heme iron. (reference)
Iron Challenge
Question 4 / 10
a. bran flakes
b. beef  hamburger
c. eggs
d. red kidney  beans
Meat, fish and poultry contain different amounts of heme iron. Choose the food with the most heme iron. (reference)
Iron Challenge
Question 5 / 10
a. salmon  steak
b. beef  tenderloin
c. chicken  breast
d. pork  tenderloin
You may be iron deficient if you ______. (reference)
Iron Challenge
Question 6 / 10
a. often feel tired
b. look pale
c. have difficulty concentrating
d. all of the above
The amount of non-heme iron you absorb is affected by other foods. Choose one food