Which is the best description of a healthcare internship?

When you physically go help someone in need, you are trying to work there or stay there for a short period of time. You do your job in a certain health care medical field

Small intestine because that is the organ which absorbs nutrients

This gel or liquid can be placed under the tongue of an unconscious person. this is important because you should never pour anything down the throat of an unconscious person-- s/he could choke.