The skin
Dermatology.
In humans, no - the skin is an impermeable barrier to air.
Intact skin
Intact skin
True. The skin acts as a barrier against germs and also controls body temperature.
skin acts as a natural barrier against harmful stuff :) So do tears, sweat and the stomach :)
Your skin protects your body by forming a barrier to the outside environment.
The skin is the largest organ and forms an effective barrier.
Skin
It is nothing
puncture