1. Body Systems

2. All living things…………….  Made of cells  Need energy  Respond to the environment  Reproduce  Grow and develop

3. Organisms  Organisms = any living things Unicellular Multicellular

4. Cells can be organized  Human Body (1)  Systems (11)  Organs  Tissues  Cells (100 trillion).

6. What is a………  Cell: basic unit of life  Tissue: group of cells that work together  Organ: group of tissues that work together

7. What is a system?  A group of cells, tissues and organs that work together both physically and chemically to carry out a task.

8. Your Job- Make a poster  Become an expert on one system  Level 1-3: answer the following questions and draw a picture of the system  What is the name of the system and main job?  What are the main organs of the system?  What are the jobs of the organs?

9. Immune System - Example  Main job : defense against disease  Organs:  Skin: forms barrier between inner and outer environment  Thymus: white blood cells develop  Bone marrow: produce defense cells

10. Level 4  List 3 diseases that can be associated with the system.  Type 1 diabetes  Lupus  AIDS