Given below the diagrammatic representation of lymph nodes
Label $A, B$ and $C$
$A-$Lymph nodes, $B-$Thymus, $C-$Lymphatic vessels
$A-$Lymphatic vessels, $B-$Thyroid, $C-$Lymph nodes
$A-$Tonsils, $B-$Peyer's patchs, $C-$Lymphatic vessels
$A-$Tonsils, $B-$Thymus, $C-$Peyer's patches
Give differences: $T$-lymphocytes and $B$-lymphocytes
Many microbial pathogens enter the gut of humans along with food. What are the preventive barriers to protect the body from such pathogens ? What type of immunity do you observe in this case ?
Spleen is
The antibodies are