9Grade 6th , 7th, 8th
Systems
•Tissue – similar cells
with specialized functions
•Organs – two or more
tissues performing a function
•Organ System – group
of organs working together to
perform a specific function
•Organism – any living thing
•Feedback mechanism-
occurs when the body senses the
results of its actions and adjust what
it is doing, allowing the body to maintain stable conditions
7th