refer(s) to specific molecular changes that occur when a drug binds to a particular target site or receptor, while are the resulting widespread alterations in function. v

Drug action; drug effects

Explanation:

Drug action can be defined as the combination of the drug with the specific site of the receptor and brings about specific changes at the molecular level of the organism.

The drug effect can be defined as the physiological and biochemical changes that occur at the consequence of action of drug. The effects of the drugs on the body can be observed in the symptoms.

velocity and height

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.