MrBadmusSummer First Half

Year 7 · Summer First Half

Biology

3 lessons from 1 unit.

Unit B3 · lessons 3 to 5 of 8

Nutrition and digestion

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.

  1. 03Energy in food and what you needQuantitativeHow much food does a body need in a day, and what decides it?Open this lesson
  2. 04When diet goes wrongContrastWhat can go wrong with a diet, and what does each problem do to the body?Open this lesson
  3. 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