yes, you can stay hydrated by giving your self water rectally. use this as a last resort if you have contaminated water, bear grills did it on an episode of man vs wild. all he had was water contaminated with bird po.
Anything that you can get in there. Just not sand.... that was a bad day...
In insects important salts and water are re-absorbed by both the hindgut and rectum.
Plants absorb water through their roots. Some can absorb water through their leaves as well.
Not that I'm aware of, no.
Flowers absorb water through their roots. When they are cut and put in water, they continue to absorb water.
They absorb it through their skin.
They absorb it through their skin.
The water goes through the stem.
Mosses and liverworts absorb water from the soil through the process of osmosis.
no
water
Water
Food waste does travel through the rectum.