Most allergic reactions occur with rashes and trouble breathing.
The heart itself needs blood and nutrients to work properly and gets its share of blood supply from coronary arteries. Coronary heart diseases are linked to coronary arteries. The diseases of coronary arteries are very dangerous; coronary artery diseases like atherosclerosis may cause heart attack.
Answer:
Last option.
Explanation:
The graph is attached.
In the image we can observe that all green arrows are point towards the exit. So the right answer is the last one.
<em>Go out through the door, turn right and proceed to the emergency exit at the end of the hall</em>