The large intestine absorbs water from the remaining indigestible food, then works to transmit the waste from the body.
Sponges are similar to a small intestine because they'll both squeeze parts of themselves to digest foods and nutrients. Not to mention the fact that they're both soft.
Hope this helped! <3
i cant help you if i don't know what which of these steps are but i can say that you should elevate there legs or feet slightly unless it will cause pain