1. Levels of organization of human body?
Cells, organs, organ systems, tissues- can you put these in the right order from smallest level to largest level?
Correct order: cells, tissues, organs, organ systems

2. Homeostasis “Similar standing” Relatively constant physical and
chemical condition of internal
-Stays same even if external
changes
-What are some examples?

3. Feedback Inhibition AKA negative feedback
Stimulus produces response that opposes original stimulus
Example: Sweating helps cool body down
Example: Shivering helps body warm up