1. 7 TH SCIENCE RESPONSE TO STIMULI REVIEW

2. STIMULUS: Anything that causes a reaction

3. RESPONSE: Reaction caused by internal or external stimuli

4. INTERNAL STIMULUS: A STIMULUS THAT COMES FROM INSIDE THE BODY OF AN ORGANISM

5. External stimulus – A signal (stimulus) that originates from outside an organism o Examples:

6. DEEP CUT = BRAIN PRODUCES ENDORPHINS (NATURAL PAIN KILLER)

7. DEVELOPING A FEVER DUE TO AN ILLNESS OR INFECTION IS OUR BODY’S INTERNAL FEEDBACK MECHANISM THAT RESPONDS TO ALLOW US TO MAINTAIN BALANCE.