Final answer:
The common long-term effects of excessive alcohol consumption include liver damage and digestive problems, while oral cancer is a potential risk but not a direct outcome of excretory system damage.
Step-by-step explanation:
The long-term effects of excessive alcohol consumption can lead to various serious health issues. One is liver damage, such as chronic liver failure from cirrhosis, which can occur due to heavy, prolonged alcohol intake. Another effect is the potential for digestive problems due to the impact on the excretory system, including impairments in kidney function and potential abnormalities in blood ion concentration and acid-base balance. Lastly, there is an increased risk of some cancers, including oral cancer, due to alcohol's carcinogenic properties. Therefore, while liver damage and digestive problems are common long-term effects of excessive alcohol consumption, oral cancer is a potential risk but not as directly tied to excretory system damage as the other conditions.