1. Anorexia Symptoms extreme weight loss thin appearance
abnormal blood count
hair that thins, breaks or falls out
absence of menstruation (amenorrhea)
dry skin
irregular heart rhythms
low blood pressure

2. Diagnosis Our diagnosis is Anorexia.
Her symptoms correlate to the symptoms of anorexia which would be hair loss, loss in weight, and ketones present in urine.
The main connection is the ketones because ketones appear in the urine as the body converts fats to energy over and over.

3. Further Testing CBC (electrolyte and Protein examination)
Physical Examination
Psychological examination

4. Treatment Increase social activity Stay away from trigger objects
Psychological treatment

5. Connection to the body
Anorexia relates the cardiovascular and circulatory systems because it decreases blood count and causes irregular heart rhythm.
Also, it relates to the integumentary system because it causes dry skin and problems with hair.

6. Sources https://www.nlm.nih.gov/medlineplus/ency/article/003585.htm