Answer: A
Explanation:
He is interested in film theory. That is the field that is considering theory development in order to explain the nature of motion pictures. It is also explaining how they produce effects on the audience such as emotional or mental effects.
This type of theory is helping others to understand the relationship between perception, the human body, and movies.
Cardio is heart, because you heart pumps blood to the organs, tissue, and cells of your body.
The answer would be A. Muscle Cramp
because that is the only option shown here that someone doesn't need to go to the E.R. for. For example, if you try massaging a hairline fracture, there's a good chance you'll break someones bone.
