Step-by-step explanation:
A) The Heart
By increasing the hearts rate of beating thus leading to high blood pressure and even heart failure
B) The Brain
Alcohol kills some brain cells thus leading to staggering, loss of memory
C) The Stomach
Once it reaches the stomach it irritates the stomach walls causing high acidity and leading to vomiting and nausea
D) The Liver
Keep in mind the liver does over 100 functions for the body so excessive drinking can cause Liver cirrhosis and can lead to permanent damage to the liver