Answer:
Think it A? But man, haven't done any biology in a while (this kinda stuff, not biology itself)
I'd personally say B because a warmup will reduce injury, soreness, and get you ready. Then you have your exercise. Then the cooldown helps <span>bring the heartrate down to near-normal and to get the blood circulating freely back to the heart. Stopping abruptly could result in fainting or place undue stress on the heart.</span>
If they are left laying on their back, they have a possibility of suffocating on internal items like a tongue or vomit/fluids coming up.
