Question

What are the constituents of blood? Why are the white blood corpuscles known as the soldiers of the body?

Answer 1

The constituents of blood are:

1. Red Blood Corpuscles (RBC).

2. White Blood Corpuscles (WBC).

3. Platelets.

WBC are called the soldiers of the body because it fight against the foreign particles or microbes and kill them and it protects us from disease causing microbes and prevent us from diseases.
for more go to Wikipedia for components of blood in detail ...