In classical conditioning, extinction is the process in which the strength of the conditioned response decreases with repeated presentations of the conditioned stimulus alone.
True
False

c. emergency contraception

explanation:

used for after unprotected intercourse

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.