For the examples given, health promotion would be the education of the public about substance abuse. They are putting the idea of substance abuse being bad in the public's head. Thereby, attempting to improve public health although, there's no guarantee.
Banning smoking in public places is a "health protection" because it's a physical act that is attempting to make the public health better.
Testing food if also a "health protection" because it's a physical way to make sure that people do not end up with foodborne illnesses or hepatitis' related to dirty food/soil/etc.
The function of the atria is to collect and pump blood into the ventricles. The function of the ventricles is to pump blood into systemic and pulmonary circulations.
The term “designer drugs” refers to drugs that are created in a laboratory (typically, an “underground,” or secret, illegal lab). A designer drug is created by changing the properties of a drug that comes from a plant—such as cocaine, morphine, or marijuana—using the tools of chemistry.
