Blood System Flashcards
(11 cards)
1
Q
Blood Functions
A
Transport (Oxygen, nutrients), Regulation (pH, temp), Protection (clotting , immunity).
2
Q
RBCs (Erythrocytes):
A
Carry oxygen via hemoglobin.
3
Q
WBCs (Leukocytes):
A
Fight infection.
4
Q
Platelets ( Thrombocytes):
A
Help in blood clotting.
5
Q
Plasma=
A
55% of blood (mostly water).
6
Q
Blood types:
A
Type O = Universal donor ( no A/B antigens).
Type AB = Universal recipient ( No antibodies).
7
Q
RBC lifespan:
A
~120 days, destroyed in spleen
8
Q
Blood clotting process:
A
Platelets — Fibrin mesh— Clot forms.
9
Q
Hemoglobin:
A
Needs iron + vitamin B12 to function.
10
Q
Neutrophils:
A
First responders to infection.
11
Q
Eosinophils:
A
Fight parasites & allergies.