It serves as the first defense barrier for the skin.

Plays a key role in immunity (acts as a structural barrier)

Throughout the territory of Benahavís several watchtowers that form a defensive barrier.

Additionally, skin protects your organs, acts as a defense against germs and is the conduit for your sense of touch.

A real defense barrier covered the eastern border of NATO, from Turkey to Norway.

The high altitude and span of the Himalayas act as a defense barrier from other nations.

Our immune system is the line of defense against foreign pathogens that are ubiquitous in our environment.

The immune system is our primary barrier against harmful pathogens in the environment around us.

A similar fence around the Gaza Strip has been a successive defence barrier.

It is important to remember that the skin is the first barrier defense between our bodies and the environment.

There is normally a balance between the amount of acid made and the mucous defence barrier.

There is normally a balance between the amount of acid that you make and the mucus defense barrier.

There is normally a balance between the amount of acid that you make and the mucous defence barrier.

There is normally a balance between the amount of acid made and the mucus defense barrier.

a balance between the amount of acid that you make and the mucus defense barrier.