Year 7 · Summer First Half
Biology
3 lessons from 1 unit.
Unit B3 · lessons 3 to 5 of 8
Everything you have ever eaten was taken apart and rebuilt into you. This unit is about what your body needs, what happens to food after you swallow it, and why a gut full of bacteria is a good thing.
- 03Energy in food and what you needQuantitativeHow much food does a body need in a day, and what decides it?Open this lesson
- 04When diet goes wrongContrastWhat can go wrong with a diet, and what does each problem do to the body?Open this lesson
- 05The digestive systemSystemA nine-metre tube with seven jobs along it. Food spends a few hours in the organ everybody names, a few more in the one that actually does the work — and longest of all in the one that only takes back water.Open this lesson
Back to all three sciences this half term The whole KS3 Biology course