Question

how does tongue structure act as natural barrier to fight against diseases​

Answer 1

Answer:

Explanation:

Natural barriers include the skin, mucous membranes, tears, earwax, mucus, and stomach acid. Also, the normal flow of urine washes out microorganisms that enter the urinary tract. The immune system uses white blood cells and antibodies to identify and eliminate organisms that get through the body's natural barriers.

Answer 2

Answer:

I hope this answer will help you