1. Hormones transfer info and orders from a set of cells to another
Hormones transfer info and orders from a set of cells to another. Each type of hormone is designed to affect only certain cells.

2. Metabolic activity: refers to the set of chemical reactions that maintain life in any organism

3. Adrenaline: hormone made in adrenal gland responsible for metabolic activity
Chemical control of metabolic activity
More adrenaline- more metabolic activity

4. Adrenaline secretion increases

6. What adrenaline event would get you pumped up? Why?
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Which of the events wouldn’t get your adrenaline pumping? Why?