Which of the following diseases is endemic
Common cold
Amoebiasis
Hepatitis
Influenza
What is true about $T-lymphocytes$ is mammals?
An alkaloid called 'Reserpine' is extracted from
A person is mentally sick if one is
Certain compounds are released by the WBC which raise the body temperature. These compounds are known as
Why carbon monoxide ($CO$) poisonous for man?