Probably around the neck area, since the blood vessels are there. It would still be painful since you are basically gasping for air.
They can constrict or dilate because their walls are muscular.
environmental stressors are stresses to someone that causes stress (annoyance, irritation, any type of disturbance) These can include loud noises, alarms, weather, etc)
The answer to this question would be the height of a person. BMI is measured by both height and weight.
C. Sensitivity
because this isn't a constant thing, so it isn't a. it isn't b. and it isn't d.
