The document describes characteristics of cells and their functions using grammatical structures like the present simple tense and pronouns to link sentences. It provides multimodal input like diagrams and introduces specialist vocabulary related to cells, such as "mucus", "cilia", and "haemoglobin". Prepositions and noun phrases are used to explain the purpose and direction of cell processes. Both everyday words used in specialist ways, like "cells", and less common terms without visual support, such as "goblet cells", are presented. Linking words and comparatives help connect ideas about differences and similarities between cell types. Information is also provided in a chart format.