Explain how technology has affected people's activity levels.

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.

What system have glands found throughout the body that release hormones into the bloodstream

Iwill mark you brainlest if you answer this question