Which of the following is a pentameric immunoglobulin and is produced first in a primary response to an antigen?
$I_gG$
$I_gM$
$I_gA$
$I_gE$
Physical barrier = .............. and physiological barrier = .............
$A$ : 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.
Select the lymphoid organs from the given choices
$I$. Lymph node $II$. Thymus gland
$III$. Red bone marrow $IV$. liver
$V$. Spleen $VI$. Osteocytes
$VII$. Peyer's patches
The correct option with correct choices is
Immunoglobulins are made up of
The immunity obtained after the body has recovered from a disease is