Name the primary and secondary lymphoid organs.
Name the primary and secondary lymphoid organs.
Primary lymphoid organs include the bone marrow and the thymus.
Secondary lymphoid organs are the spleen, lymph nodes, tonsils, Peyer's patches of small intestine, and appendix.
Similar Questions
After vaccination the body builds up
After vaccination the body builds up
Immune activities defence mechanism for different diseases is known as
Immune activities defence mechanism for different diseases is known as
provides passive immunity
provides passive immunity
- [NEET 2019]
Consider the following statements
$I.$ People should get vaccination to avoid infection
$II.$ Vaccination is available against polio, cholera, typhoid, tuberculosis and many othe disease
$III.$ Eradication of vectors are necessary in diseases like malaria and filariasis
$IV. $ Dengue and chikengunya, both are spread by Culex mosquitoes
Which of the statements given above are correct?
Consider the following statements
$I.$ People should get vaccination to avoid infection
$II.$ Vaccination is available against polio, cholera, typhoid, tuberculosis and many othe disease
$III.$ Eradication of vectors are necessary in diseases like malaria and filariasis
$IV. $ Dengue and chikengunya, both are spread by Culex mosquitoes
Which of the statements given above are correct?
Match the following columns
Column $-I$
Column $-II$
$(A)$ Physical barriers
$(1)$ Interferon
$(B)$ Physiological barriers
$(2)$ Leukocytes
$(C)$ Cellular barriers
$(3)$ Tears
$(D)$ Cytokinin barriers
$(4)$ skin
$A$ $B$ $C$ $D$
Match the following columns
| Column $-I$ | Column $-II$ |
| $(A)$ Physical barriers | $(1)$ Interferon |
| $(B)$ Physiological barriers | $(2)$ Leukocytes |
| $(C)$ Cellular barriers | $(3)$ Tears |
| $(D)$ Cytokinin barriers | $(4)$ skin |
$A$ $B$ $C$ $D$