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 needQuantitativeA label says 1050 kJ. Your body needs about 9500 kJ a day. Neither number means anything until you know whose day it is.Open this lesson
- 04When diet goes wrongContrastThree different things can be wrong with a diet, and they are not three degrees of the same thing. Two of them can happen at once, in the same person, on a full plate.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