_______________ fights against infections.
RBC
WBC
Platelets
none
Coagulation of blood in a cut or wound is brought about by : (a) plasma (b) platelets (c) WBC (d) RBC
One of the common symptoms observed in people infected with dengue fever is ? (a) Significant decrease in RBCs count (b) Significant decrease in WBCs count (c) Significant decrease in platelets count (d) Significant increase in platelets count
The cells in our blood which destroy disease-causing germs, are : (a) platelets (b) skin cells (c) RBCs (d) WBCs