Answer:
Thin skin
Explanation:
A bodybuilder has comparatively lower body fat than an average person who does not lifts. This in turn means a thinner skin that promotes Vascularity,
Vascularity is the state of having prominent, visible and popping veins.
Veins can be seen if the person has extremely low body fat and great muscles with low water retention on skin. Thus, it means that the person can also see arteries 'pop out' if they incorporate healthy habits. It can be achieved by anyone with a proper diet and lifting routine.
