Vomiting includes all kinds of undigested food, stomach acid, ethanol, and other unknown bile and other strange things rising from the duodenum …
A big pot of things stirred in your stomach and came out, just like a stinking jar of pickled sauerkraut ... Of course, Chen Gang scared me to take antiemetic after eating it.
When I was in college, there was a local special food "yam eggs", which was the smell of vomit. I say this every time my friends eat it, and I won't eat it if I die! Later, after their repeated persuasion, I tasted it. Mmm, it smells good (covering your face manually)! From then on, I fell in love with it! Strangely, this is no longer the smell of vomit, but the smell of food. ...
Therefore, when the mouse eats, it will tentatively nibble only a small bite and make sure that there is no problem before relaxing and continuing to eat. If they are found to be toxic, they will only feel sick in most cases, and then they will learn and never touch them again.
Rodents (such as mice and squirrels) have more detoxification enzymes in their livers, so their detoxification ability is far superior to ours. There are many conscious "sensors" in the stomach. Their daily job is to count how many pathogens are in their stomachs. Once they find that there are too many pathogens to count, they will start the stop mode and press panic button.
Then "wow", the force of the universe in the body poured out! Even if the stomach is empty, there is still some vomiting, because the small intestine can also pour out the contents, and the stomach will deliberately open the door wide, and there will never be roadblocks.
In the face of such an important action, teamwork is of course the most important: when the small intestine suddenly pushes something it doesn't want back into the stomach, this bottom-up pressure will stimulate the sensitive nerves in the stomach, and then