Primary lymphoid organ is -

Explain the terms Primary lymphoid organs and Secondary lymphoid organs with example.

Primary lymphoid organs are

Primary lymphoid organs are

The primary lymphoid organ in

Assertion (A): spleen is a primary lymphoid organ Reason (R ):Primary lymphoid organs trap antigen and destroy them.

Primary lymphoid organs of the humam body are

Which is the primary lymphoid organs of birds?Mention its location and role.

Give one significant difference between primary lymphoid organs and secondary lymphoid organs. Give one example of each.

Give one significant difference between primary lymphoid organs and secondary lymphoid organs. Give one example of each.