i'ts the endocrine system
the psychology is the study of behaviors of mind as well as the feelings and thought of a person. the four major goals of psychology are to describe, explain, predict and control the mental processes of the human body. the psychology comes under the science as it is related to a living thing. every person has their own psychology about everything means everyone has different opinion and feelings regarding an object around them. the environmental factors influence the psychology of a person.answer 2 with explanation
the major target of a psychologist is to change a mindset of a person from negative to positive by making him look on the positive aspects of life and see the beautiful nature. this remove all the bad memories which are present in his or her subconscious so that he or she could see the real world and feel positive and energetic. the recent researches also prove that psychology is a part of science as this is related to behaviors of a living organism.