MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

LYMPHOID ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Detects foreign substances entering the blood and acts as a blood reservoir and filters out bacteria and worn out red blood cells.
A
Tonsils
B
Thymus
C
Spleen
D
Bone Marrow
E
Lymph Vessels
Explanation: 

Detailed explanation-1: -The spleen is located in the upper left part of the belly under the ribcage. It helps protect the body by clearing worn-out red blood cells and other foreign bodies (such as germs) from the bloodstream. The spleen is part of the lymphatic system, which is an extensive drainage network.

Detailed explanation-2: -The spleen helps keep harmful microorganisms out of the bloodstream. It holds key components of the body’s immune system. The spleen also removes unhealthy, old, and misshapen red blood cells from circulation. Red blood cells carry oxygen throughout the body and remove carbon dioxide (a waste product).

Detailed explanation-3: -The thymus is inside the ribcage, just behind the breastbone. It filters and monitors our blood content. It produces cells called T-lymphocytes which circulate around the body. These cells are important for cell mediated response to an immune challenge, such as may occur when we have an infection.

Detailed explanation-4: -The spleen is an organ found in almost all vertebrate animals. It mainly acts as a filter for purifying the blood, removing microbes and worn out or damaged red blood cells. It is also an important organ in the immune system, producing the white blood cells that fight infection and synthesize antibodies.

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