B
………..is the part that is about 45 percent by volume of blood.
a) Plasma
b) Blood cells
c) Blood platelets
d) all of these
RBCs are known
as……….
a) Hemoglobin
b) Erythrocytes
c) Leucocytes
d) None of these
One cubic millimeter of blood contains about……….red blood cells in man.
a) five million
b) six million
c) seven million
d) eight million
………..contain a special type of protein called hemoglobin.
a) Red blood cells
b) Plasma
c) White blood cells
d) all of these
The average life RBCs is ………days.
a) 10
b) 50
c) 90
d) 120
WBCs are known as……….
a) Hemoglobin
b) Erythrocytes
c) Leucocytes
d) None of these
by at 2024-11-10 13:46:04