When we enter a state of relaxation, it leads to

ultimately slows down brain waves and helps people be calm and be more happy afterwards

Explanation:

when we relax the flow of blood increases around our body giving us more energy it helps us to have a calmer and clearer mind which aids positive thinking concentration , memory , and decision making. relaxation slows out heart rate , reduces our blood pressure and relives tension

answer; (c); /out to the side and directly under the dogs neck.