Using equipment that you haven't been trained on is OK as long as you're careful and read the directions. Correct answer: B You should be always careful when working out with any equipment. However, when the equipment is new and you are not used to it you should pay more attention and follow the instructions.
Answer:
Stimulants are a class of drugs that “stimulate” the body's central nervous system, which includes the brain and spinal cord. They increase the levels of catecholamines—a family of brain chemicals that includes dopamine. These chemicals are used in the brain processes to signal reward and motivation.
A type of drug that increases the levels of certain chemicals in the brain and increases alertness, attention, energy, and physical activity. Central nervous system stimulants also raise blood pressure and increase heart rate and breathing rate.
It is true that blood alcohol level (BAL) is the ratio between the
alcohol consumed and the blood in the body. It refers to the percentage
of alcohol found in your bloodstream. If this percentage is above a
certain level, and you are driving, for example, a police officer can
take you into custody for driving while under the influence of alcohol.
