The main responsibility of the endocrine system is to regulate the body's growth and development, so I think your answer would be "create growth spurts in teen boys"
Hope this helps!
I think its the third one
C. maintain a regular exercise program
The is the fifth link in the chain of the cardiac arrest care. They are performed in the hospital care of a cardiac arrest survival and are mentioned as one to five links of the chain. Immediate identification of cardiac arrest and then necessary steps are taken in the fifth link.