All living things are made up of Cells
- A group of Cells e.g. Heart Muscle makes up a Tissue e.g. Heart Muscle Tissue
- A group of Tissues makes up an Organ e.g. Heart
- A group of Organs makes up a System e.g. Circulatory System
- A group of Systems make up an Organism e.g. Humans
This video provides an introduction to Cell Activity
Click on the resources below for more detail
