Which one of the following statements is correct?
Patients, who had undergone surgery are given cannabinoids to relieve pain
Benign tumors show the property of metastasis
Heroin accelerates body functions
Malignant tumors may exhibit metastasis
Thymus is the site for the development and maturation of
$B$-cells are lymphocytes which produce the humoral immunity. These cells are produced by
What would happen to immune system, if thymus gland is removed from the body of a person ?
‘Second line of defence' is known as
$A$ : Colostrum is a very efficient means of transferring immunity to a newborn.
$R$ : IgM from mother’s milk protects the baby from the respiratory infection usually affecting in young age.