Are you going to have a kid with someone or you know what my teacher asked me to ask my friends this but then i reailzed i have none

answer; i believe that the correct answer is (b) is a factor associated with physical activity and heart disease;

the more fit you are, the faster the recovery. your heart rate drops most sharply in the first minute after you stop exercising; it should then fall about 20 beats a minute—a drop of less than 12 beats a minute is considered abnormal. this “recovery heart rate” is measured as part of an exercise stress test.