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Cardiovascular System flashcards for Science.

Cardiovascular System - Transports materials to and from your cells. - Made of three parts: heart, blood, blood vessels.
Blood - Body contains 5 Liters (L) - Made of cells, cell parts and plasma (the fluid part of the blood) - Red + White blood cells.
Red Blood Cells - Most abundant cells in the body. - Contain hemoglobin which makes cells red and transports oxygen (O2) - Contains Iron (Fe) and O2 bonds to the FE. - Made in bone marrow
White Blood Cells - Destroy pathogens (bacteria, viruses, and other microscopic particles that make you sick) - Some WBC's engulf pathogens. - Some WBC release antibodies which destroy pathogens - Some engulf body cells that are dead or damaged. - Made in the BM.
WBC's contain more _____? Lysosomes because they are responsible to attacking and destroying foreign particles. Lysosomes contain digestive enzymes.
Platelets - Only live 5-10 days. - Clump together when their is a cut so less blood is lost.
Antigens Chemicals on the surface of Red Blood Cells
Antibodies Chemicals in plasma that bind to antigens not found on their Red Blood Cells.
Types of Blood A, B, AB, O
"A" blood type has... A antigens and B antibodies
"B" blood type has... B antigens and A antibodies
"AB" blood type has... AB antigens and NO antibodies
"O" blood type has... NO antigens and AB antibodies
Universal Donor Has "O" blood type b/c it's RBC's do not have antigens, so the recipient's blood will not attack it.
Universal Recipient Has "AB" blood type b/c they do not produce antibodies against any antigens on the donor's blood cells.
Created by: liilyjohnson



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