What is the correct internal temperature for rare beef roasts?
a. 120 f
b. 130 f
c. 145 f
d. 155 f

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.