The first line of defence is

Question

The first line of defence is (A) Antibodies (B) WBC (C) Skin (D) Liver

Tardigrade Admin · Accepted Answer

The skin acts as a main barrier between invaders (pathogens) and our bodies. Mucus coating of the epithelium lining the respiratory, gastrointestinal and urogenital tracts also help in trapping microbes entering the body.

Q. The first line of defence is

Antibodies

WBC

Skin

Liver

The skin acts as a main barrier between invaders (pathogens) and our bodies. Mucus coating of the epithelium lining the respiratory, gastrointestinal and urogenital tracts also help in trapping microbes entering the body.