GENERAL HISTOLOGY

LYMPHATIC

LYMPHATIC SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is found in the spleen, red bone marrow and lymph nodes that fight microbes?
A
Tiny little soldiers
B
Red Blood Cells
C
Natural killer cells
D
Lymph
Explanation: 

Detailed explanation-1: -B cells. These are a type of white blood cell involved in humoral immunity. They make up around 20% of white blood cells. B cells originate and mature in the red bone marrow, then after release they concentrate in the lymph nodes, respiratory tract, gastrointestinal tract, and spleen, ready for pathogenic invaders.

Detailed explanation-2: -It stores iron in the form of ferritin or bilirubin, and eventually returns the iron to your bone marrow, where hemoglobin is made. Hemoglobin is an important protein in your blood that transports oxygen from your lungs to all the parts of your body that need it. Another useful purpose of your spleen is storing blood.

Detailed explanation-3: -Leukocytes in the spleen include various subsets of T and B cells, dendritic cells (DCs) and macrophages that exert discrete functions.

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