<span>What is chemoreceptors?
</span>Chemoreceptors are specialized nerve cells which are designed to respond to chemical stimuli.
The top one is the answer
The answer is D. letter A could increase the chance of injury, but not necessarily depending on other kinds of workouts available. Letter B is definitely not the answer because there can be many variations to make running a more enjoyable exercise. And C is not the answer because running is a great form of exercise for the body. the answer is D because cardio may increase the chances of leading to a heart attack.
