NO.
Sharks excrete their urea through their skin. Hence the reason why they have a certain 'ammonia-like' kind of smell.
Only sharks excrete urine through the skin
yes ...swet is excretion of water and salts from our body
Amphibians have a semi-permeable skin. They absorb the moisture they need through their skin, and excrete any excess as urine.
Several ways. It can be passed through the digestive tract and imerge as urine or manure or through the skin by sweat.
Urea
Most Amphibians breathe through their .They can also absorb water through their skins, and they can excrete carbon dioxide through their skin as well. It has to be kept moist for this process to work.
The skin contains sweat glands that excrete perperation through skin spores. Persperation helps maintain body temperture by cooling us down
Fish have scaled skin.
Penguins excrete through their anus
No. The skin does.