Cardiovascular disease is a non-communicable disease because it cannot be passed on with physical contact with the infected person
The answer to this question is: 20%
These demographic of students are the mixture of the students who want to focus themselves on the study, have some sort of medical illness that prevent them to do so, or the students that simply have a general personality that do not find being around alcohol and social situation very pleasant.
I would put d. because we can affect some but some are also genetic
Well if you're referring to the human body, our cells make up a lot of everything we're made of. Muscles, organs, bones, blood, skin, etc. Biologically speaking, there's a lot to the human body besides organs. Sorry if this isn't very helpful.