skin acts as a natural barrier against harmful stuff :)
So do tears, sweat and the stomach :)
endorphins looked in my book :)
Examples of natural barriers include mountain ranges, deserts, oceans, rivers, and dense forests. These features can impede or block the movement of people, animals, or weather patterns, serving as obstacles or boundaries in the natural environment.
The natural barriers of the Aztecs included surrounding mountains, lakes, and wetlands. These geographic features provided some protection from invading forces and helped define the boundaries of their civilization.
Natural barriers refer to geographical features such as mountains, rivers, deserts, or oceans that act as obstacles to movement or invasion by humans or other species. These barriers can provide protection from outside threats and can also influence the distribution of flora and fauna in an ecosystem.
A natural barrier refers to a physical f eature that protects or hinders travel through or over. Mountains, swamps, deserts and icefields are among the clearest examples of natural barriers .Iam not sure but it can be the answer;THE HIMALAYAS,THE THAR DESERT,ANDMAN ISLAND..
it comes from are bodys natural reaction with knifes it comes from are bodys natural reaction with knifes
Barriers, The Inflammation Process, and Antibodies.
Heparin is the body's natural anticoagulant.
The Natural Barriers in canada are Molten lava and cars
The natural barriers and isolation allowed China to
no natural barriers are rivers, cliffs...... natural stuff not man made
Substance P
endorphins looked in my book :)
Mountains and oceans are the natural barriers of western africa
unpredictable flooding of natural barriers for protection . Natural Resources limited.
Natural barriers are geographical features that provide obstacles.
how do vaccines help the bodys natural defences against viruses ??