Another name for a fight or disagreement is a ?

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.

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4

Which of the following choices are the fat soluble vitamin? a) c b) b6 c) d d) calcium