Having a goal that is specific and measurable.
example: "i would like to cut soda completely from my diet"
To Keep them out of the hands of people who might exploit them or abuse them
Negative-feedback: Heart rate goes down
Positive-feedback: Hear rate goes up
Two long term effects are infertility and heart disease.
The material found in the digestive system that aids in digestion and also kills pathogens would be "stomach acids", specifically hydrochloric acid.
