Are the any walls in the heart​

Is a short-term risk associated with tobacco use. a. lung cancer b. heart disease c. stroke d. coughing

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.

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