1) The teacher introduced the topic of cells by asking the students if they knew about cells and microscopes. The students responded that they had some prior knowledge about different body parts but did not study how they work together.
2) The teacher explained that cells are a group of tissues that work together for a common function. The teacher discussed different types of cells like blood cells, muscle cells and nerve cells with the students.
3) The students were able to successfully summarize the key points about cells that they are a group of tissues that perform a specific function in the body and that different cell types have different structures and functions.