Blood Components and Grouping

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Small cell fragments produced in bone marrow, involved in blood clotting and scab formation.

A substance that triggers the production of antibodies in the immune system.

The liquid component of blood, composed mainly of water and plasma proteins.

A protein produced by the immune system in response to an antigen.

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The process of receiving blood from a donor, potentially causing a reaction if the donor's blood has different antigens than the recipient's.

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Platelets: Cell fragments, no nucleus, produced in bone marrow, function in clotting.
Plasma: Makes up 55% of blood, mostly water, contains proteins like clotting proteins and antibodies, transports hormones and urea.
Lymphocytes: Produce antibodies.

Blood types are grouped based on the presence or absence of antigens on red blood cells (RBCs).
Antigens are molecules that trigger an antibody response.
Blood types include O, A, B, and AB.
Receiving the wrong blood type during a transfusion can cause antibodies to attack the foreign blood, leading to clumping.