Learned is likely to be accompanied by cortisol levels and blood pressure.

The given blank can be filled with decreased and decreased.  

Learned helplessness refers to a state in which an individual suffers from a feeling of powerlessness, resulting due to continuous failure to succeed or due to a traumatic event. It is considered to be one of the main causes of depression.  

In the condition, the cortisol levels of an individual get decreased, which eventually results in the reduction of blood pressure.  

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.