1. Cardiovascular system: Blood

2. Functions of blood
Transport
Defence
Regulation
H2O

3. Plasma Composition of blood: % by Volume plasma 55% cells, platelets
45%
plasma
55%
% by Volume
Composition of blood:
Plasma
Water (91%)
Hormones
Gases
Ions
Vitamins
Nutrients
wastes
Plasma proteins **

4. Red Blood Cells Carry O2 heme group a. Red blood cells
b. Hemoglobin molecule
a. Red blood cells

5. Red Blood Cells Carry CO2 + HCO3– bicarbonate ion H+ hydrogen H2CO3
carbonic
acid
H2O
water
CO2
carbon
dixide

6. Red Blood Cells
Production

9. Platelets… 4,400 X prothrombin activator prothrombin thrombin Ca2+
fibrin threads
thrombin
prothrombin activator
prothrombin
fibrinogen
Ca2+
Platelets…
4,400 X

10. ABO Blood Groups anti-B antibodies
Type O blood. Red blood cells have neither type A nor
type B surface antigens. Plasma has both anti-A and
anti-B antibodies.
Type A B blood. Red blood cells have type A and type B
surface antigens. Plasma has neither anti-A nor anti-B
antibodies.
Type B blood. Red blood cells have type B surface
antigens. Plasma has anti-A antibodies.
Type A blood. Red blood cells have type A surface
antigens. Plasma has anti-B antibodies.
type A antigen
type B antigen
anti-A antibody
anti-B antibody
anti-A antibodies
anti-B antibodies
ABO Blood Groups

11. Compatibility + b. Agglutination a. No agglutination type A blood
of donor
no binding
anti-A antibody of
type B recipient
binding
anti-B antibody of
type A recipient

12. Rh Blood groups b. Mother forms anti-Rh antibodies that cross the
placenta and attack fetal Rh-positive red blood cells.
a. Fetal Rh-positive red blood cells leak across
placenta into mother's blood stream.
blood of mother
anti-Rh
antibody
Rh-positive
red blood cell
of fetus
Rh-negative red
blood cell of mother