I would say the answer is C. Hope I helped ^-^
<span>Systemic Circulation. Systemic circulation is the movement of blood from the heart through the body to provide oxygen and nutrients to the tissues of the body while bringing deoxygenated blood back to the heart. Oxygenated blood enters the left atrium from the pulmonary veins.</span>
Yes it's possible because once you know one side, u already know what goes with what
Technically, all of these can cause double vision and other vision problems.
I'm not really sure what "less responsive" indicates, because it can mean a broad spectrum of symptoms. However, I would answer this with alcohol because it causes your eye muscles to weaken and can include symptoms like involuntary twitching.
Sorry I couldn't provide you with a definite answer, but I hope I was able to help :)