Levels of Organisation

Levels of Organisation

Level One: Cells

• Are the basic unit of structure and function in living things
• May serve a specific function within the organism
• Examples - blood cells, nerve cells, bone cells, etc

Level Two: Tissues

• Made up of cells that are similar in structure and function and which work together to perform a specific activity
• Examples - blood, nervous, bone, etc. Humans have 4 basic tissues: connective, epithelial, muscle, and nerve

Level Three: Organs

• Made up of tissues that work…