Alternating between running and walking can help lessen the damaging effects that running has on the body.
Well I do say from my studies and experience, that a warm up should be less intense than the exercise, because you don't wan't to workout to hard before getting to the main exercise, that's like having a huge appetizer then then main course meal. So my final answer would be C. Hope this helps
Answer:
the answer is D hope this helps
Explanation:
Efferent Nerves send signals to your brain to move your muscles.