How do you motivate your friends and siblings when they are defeated?

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 is one way that vance might have been able to prevent this injury?

Blood cells bring oxygen to cells and take carbon dioxide away. true or false