<span>All of
the choices given are preventive measures of exercising. A person who is
engaging in an exercise activity is always exposed to different risks like
injuries and accidents. In order to enjoy a fun and safe physical activity a
person should always make sure that all the external stimuli (e.g. weather, hydration) are ready and
suited for the type of activity to be performed. Dehydration is one of the most
overlooked aspects of exercise. Individuals tend to forget to hydrate their
body after sweating which leads to hyperthermia or heat stroke.</span></span></span>
The key personal decisions that can influence your personal safety while exercising are <span>making sure to replace lost fluids before, during, and after exercise,</span>preparing for exercise in extreme temperatures, and <span>choosing when, where, and how to exercise.
Answer:Vitamin D3 is cholecalciferol and comes from animal-based sources. Both supplements are processed in the body by the liver to 25-hydroxyvitamin D, though vitamin D3 is thought to provide higher levels of 25D.
