BIOLOGY 220
Briggs Chaney Middle School
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BIO 220 exam 3 study guide
- Exam (elaborations) • 39 pages • 2022
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Biology 220 (exam 03) : Class 24 (1st class of exam 03) - 03-15-10 
ENDOCRINE (cAMP) vs. EXOCRINE 
(chapter 17) 
The 2 systems operating in us telling our 
bodies what to do (controlling us) = what? 
1. Nervous = via electrochemical 
2. Endocrine = via chemical 
The nervous system controls by way of 
what types of messages? Turned on and off 
quickly or slowly? 
1. electrochemical 
2. on and off quickly 
The endocrine system controls by way of 
what types of messages? Are these 
messages turned ...
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