Answer:
I believe it is cardiovascular since they all involve the heart
The skin is superficial to the muscle
and the muscle is superficial to the skin
This is consistent with the basic principles<span> of overload and progression. Resistance refers Page 3 176 </span>Fitness<span> for Life </span>fitness exercises<span> using PRE from level 3 of the Physical Activity Pyramid. Strength and endurance use resistance in different way</span>