Answer:
Explanation:
If the body's immune system cannot fight off infection, a number of things could happen but you have to remember that it also depends on what the immune system is trying to fight off. Normally if your immune system is not strong enough to fight off an infection or virus, you will have side affects and will begin to become ill. Side affects could be as easy as a cold to something more severe such as the flu, pneumonia or as its going on right now, the corona virus.
<span>3.The result of regular cardiorespiratory excercise maybe, letter D., "Hypertension maybe reduced immediately following and for almost 24 hours after cardiorespiratory exercise." 4. When beginning a cardiorespiratory training regimen, it is best to plan for "two to three" sessions per week.The answer to this item is letter B. 5. The best one that represents an advantage of cardiorespiratory fitness is letter A. decrease in fat store.----- Cardiorespiratory exercise,cardio exercise or the commonly known term, aerobic exercise gives a long-term benefits to your body. </span>
option b is correct
follow my brainly a/c for future needs