That could be because you are etheir not drinking enough fluids such as milk, water and others and or because you might be stressed or just not eating right ....
C) nervous system
i think think is the answer
Answer: PHI stands for Protected Health Information and is any information in a medical record that can be used to identify an individual, and that was created, used, or disclosed in the course of providing a health care service, such as a diagnosis or treatment.
Explanation:
the answer is C. Zone 2 for me that's the answer
