Healthy Diet

Today we're going to start looking at what our bodies need to work efficiently and how they get these things from food.  To start with, have a read through the information here and try the test questions at the end.
Once you've finished those, either find your own information or use the links to answer the following questions:

1. Define the word metabolism.
2. Explain why pregnant women usually need to eat differently to women who aren't pregnant.  What benefits does this have for both the mother and baby? 
3. Find out what percentage of the energy in the food you eat each day is used for growth, and what process uses the most energy.
4. Why do we need to eat food?
5. Watch the video on the right.  What food groups is Homer consuming too much of? What is he not getting enough of?  
6. What are two things he could do in order to lose weight?

7. Why do we need each of the food groups in the pyramid here?

8. For each major food group, explain why it is needed and what can happen if we have too much or too little of it.

When you've finished, try this link - http://www.purposegames.com/game/microbial-metabolism-quiz