Answer:
run for 5 mins cool down light jog for 7 laps running 6 miles"cardivoascular" time 90 mins intensity vigorous 2 hours
Explanation:
For most muscle activities it usually lasts at least 90 seconds in duration for you to solely rely with lactic acid.
I may be wrong, but I think it's Antibodies.
Heart Attack is a real emergency
My second choice is Blood