D. Coronary stent. Surgeons use angioplasty and stents to help open up blocked vessels
I believe that it was the Hippocampus that was damaged.
In a study, the independent variable is the thing that you change to see how the change produces different results. In this study, the independent variable would be the use of nicotine.
I would know if someone is choking when I see them struggle to breathe .
Also if they are waving there hands in the air , or if they are making some sort of weird sound for help .
Let me know if I have helped in anyway
