Certain compounds are released by the $WBC$ which raise the body temperature. These compounds are known as

Assertion: Thick cuticle is mostly present in disease-resistant plants.
Reason: Disease-causing agents cannot grow on cuticle and cannot invade the cuticle.

Which type of disease easily spreads from one person to another?

The accumulation of protein called amyloid $\beta$-peptide in the human brain causes:

$A$ child would develop mental illness if one does not get:

What is a disease? What are the further classifications of disease?