the answer to this question is nucleus as it hold the dna
Answer:
If the heart rate monitor says you're working at 50 to 60% of your max heart rate, then the exercise is considered moderate. If the heart rate monitor shows that you're working at 70 to 85% of your heart rate then it's vigorous exercise. To find your maximum heart rate, subtract your age from 220.
Explanation:
Some symptoms are obsession with body image,and or weight..also they can have bad eataing disorders as well