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Physiology
Chapter 15
Question | Answer |
---|---|
Wastes in blood | Urea (byproduct of protein metabolites), bilirubin(yellow/orange to urine and feces) |
Erythrocytes | No nucleus or organelles |
Spectrin | protein in erythrocytes responsible for shape&flexibility |
Hemoglobin | binds to other gases like O2, CO2, CO |
Saturated Hemoglobin | Binds to 4 O2 molecules and turns bright red |
Unsaturated Hemoglobin | When it loses O2 and turns dark red |
how long do RBC live for | 120 days(~4months) |
How often do RBS get replaced? | every second, 2-3 million.200billion a day |
How are RBC filtered & Replaced? | by spleen then to the liver |
liver functions | destroyed RBC metabolized in liver |
Anemia | Decrease in O2 carrying capacity in blood |
hemoragic anemia | caused by heavy menstraul |
Sickle cell anemia | *genetic *defect in gene that codes for hemoglobin *this gene has 1 single base pair mutation |
Clot formation | Fibrinogen Activation, Fibrin(loose), Fibrin (mesh)(Blood clots) |