The skin
Dermatology.
In humans, no - the skin is an impermeable barrier to air.
Intact skin
True. The skin acts as a barrier against germs and also controls body temperature.
The skin is the largest organ and forms an effective barrier.
Your skin protects your body by forming a barrier to the outside environment.
skin acts as a natural barrier against harmful stuff :) So do tears, sweat and the stomach :)
Yes, bacteria can enter the skin even if it is not broken. The skin is not a completely impermeable barrier, so some bacteria can penetrate the outer layers. However, intact skin is generally an effective barrier against infections compared to broken skin.
The skin acts as the main barrier to microorganisms. It is a physical barrier that prevents pathogens from entering the body. Additionally, the skin's acidic pH, sebum production, and resident microbiota all contribute to creating an inhospitable environment for microorganisms.
Skin
Skin