1. increases the activity of the central nervous system 2. increases the heart rate and suppresses the appetite
3. first used by Europeans as a local anesthetic; now abused for its euphoric effects
4. found in coffee beans, tea leaves, and cocoa beans
5. reduces the activity of the central nervous system
6. suppresses brain activity by blocking the ability of nerves in the brain from sending or receiving signals
7. reduces the physical and psychological symptoms of anxiety by reducing brain activity
8. pain-killing drugs that are derived from opium

word bank: caffeine, cocaine, depressants, tranquilizers, stimulants, amphetamines, barbiturates, narcotics

answer; /// i believe that the correct answer is (d); /// alternate walking and running;

this is a really good and amazing rule as this makes the family to spend time together.

spending time with your children and parents is really really important in order to have a loving stable and affectionate family.

also the children can save their eyesight from being ruined and can use their time in studying or doing something productive for example playing some sport or playing an outdoor game like monkey in the middle.

the answer is c. absolute strength measures the greatest force exerted in a single effort, while relative strength measures strength adjusted for body size.

i hope this