Respuesta :

stimulants increase alertness, attention, and energy, as well as elevate blood pressure, heart rate, and respiration.
elakis
Stimulants temporarily increase alertness and energy. The most commonly used street drugs that fall into this category are cocaine and amphetamines. Prescription stimulants can be abused aswell, they are swallowed, injected in liquid form or crushed and snorted such as xanax 

Hope this helped! (: