EVERYDAY SCIENCE

SCIENCE

ZOOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Defective blood cells are destroyed in
A
a liver
B
b spleen
C
C kidney
D
d both a and b
Explanation: 

Detailed explanation-1: -Your spleen is the most common site of extravascular hemolysis. As blood filters through your spleen, white blood cells called macrophages locate old or damaged red blood cells and destroy them.

Detailed explanation-2: -Damaged RBCs can release unbound forms of iron-carrying hemoglobin, which can cause kidney injury, and can lead to anemia, reducing the delivery of oxygen to tissues. If disease-associated RBC damage overwhelms the body’s ability to clear aged RBCs, toxic levels of free iron can be released.

Detailed explanation-3: -Your body makes normal red blood cells, but they are later destroyed. This may happen because of: Certain infections, which may be viral or bacterial. Medicines, such as penicillin, antimalarial medicines, sulfa medicines, or acetaminophen.

Detailed explanation-4: -B lymphocytes become cells that produce antibodies. Antibodies attach to a specific antigen and make it easier for the immune cells to destroy the antigen. T lymphocytes attack antigens directly and help control the immune response. 23-Jan-2022

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