I would not suggest it. Anything can happen on a boat.
The following foods are made from grains; Oatmeal, Brown Rice and Whole wheat bread except for Fish. Fish is a meat. The grain food group consists of foods that come from cultivated cereal crops. This means they are grown from plants. Fish is a living animal which is found in the seawater and is used as meat for human consumption.
There should be options to choose from with this question. I found them elsewhere.
A) Nicotine
B) Caffeine
C) Heroin
D) Marijuana
The answer is heroin. Heroin use can cause damage to many organs with your kidneys and liver being two. Heroin can be quite destructive to the body in ways that the body unfortunately may never recover from. Significant damage to the liver and kidneys is irreparable and in some cases transplants might be needed or having to take certain types of medication to keep them from failing completely.
Doing anything else, I guess
The circulatory and respiratory system are connected at the lungs. The circulatory needs oxygen form the lungs to pump the blood around the body and the respiratory system supplies the oxygen and gets the oxygen from the air into your bloodstream