The water would come out the bucket in one direction which is downwards
Neurological - by nerves
Endocrinological - by blood and secrets
There is not enough evidence to support that <span>vitamin C aid in sore throat. But there is no harm too.
In the medical field, every treatment should be supported by evidence. This practice called evidence-based medicine. There is so much drug claim that actually wasn't supported by research and might be potentially doing more harm than benefit. Theory or argument about why it should work is not enough, you need to do a research to find the truth.</span>
First one is A
Second one is B
Hope this helps !