What should your training heart rate be in order to safely develop cardiovascular fitness?

What effect do stimulants, such as cocaine, have on the nervous system? o a. stimulants change the activity of neurotransmitters. o b. stimulants mimic hormones and influence moods. o o c. stimulant|mchange how sensory information is processed. d. stimulants decrease brain activity.

According to myplate guidelines, grains should make up (less than one-fourth, more than one-fourth, about one-fourth) of your plate, fruits should make up (less than one-fourth, more than one-fourth, about one-fourth) of your plate, protein should make up (less than one-fourth, more than one-fourth, about one-fourth) of your plate, and vegetables should make up (less than one-fourth, more than one-fourth, about one-fourth) of your plate.just answered it; about one-fourth, less than one-fourth, about one-fourth, and more than one-fourth

If you feel pain while stretching, you should do any of the following except: a. stretch farther. b. back off the stretch. c. find an alternative. d. stop stretching.