Different types of immunity

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Maternal passive immunity is a type of naturally acquired passive immunity, and refers to antibody-mediated immunity conveyed to a fetus by its mother during pregnancy. Maternal antibodies (MatAb) are passed through the placenta to the fetus by an FcRn receptor on placental cells.

Adaptive immunity works slower than innate, and is more specific. There are two types: passive and active. Passive immunity occurs when antibodies are passed from one person to another, as through transfusion for example. The active immunity involves two types of white blood cells - T-cells and B-cells.

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Organ systems of the human body interact to maintain a balanced internal environment. As blood flows through certain organs of t

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The organ system interacts with each other to maintain the normal functioning of the body. The composition of blood changes due to this interaction. The change is the blood going out from the lungs is deoxygenated and the one coming to the lungs is oxygenated.

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The circulatory system is comprised of the heart and blood vessels. The heart pumps blood to different body organs through these blood vessels.

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Thus, in this way, the interaction changes the composition of blood.

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