Warming up is very important before an exercise or a sport in order to prevent any injury related to the exercise as it prepares and conditions the muscles well for the sake of the activity. This is an extremely important part of exercise routines, and should be done at all times.
The warm-up should smoothly dress the body for workouts by slowly raising the heart rate and flow; this will relax the joints and enhance blood flow to the muscles. Straining the muscles makes them for physical exercise and limits injuries.
All the arteries and veins outside the heart<span> and head </span>make up<span> the peripheral vascular </span>system<span>. Hope this helps!!!:)</span>
Cavities accommodate organs and other structures; cavities as potential spaces contain fluid. The two largest human body cavities are the ventral body cavity, and the dorsal body cavity. In the dorsal body cavity the brain and spinal cord are located.