a) Blood plasma
b) Platelets
c) Red blood cells
d) White blood cells
 |
| Blood component |
Blood plasma
a) It is transparent and yellowish
b) Its contains various protein, water and and solutes
 |
| Whole blood components |
Platelets
a) It is a fragment of cells
b) Also known as thrombocytes
When the blood vessels is damaged (wound), the vessels will constrict to reduce the blood flow to the injury site while the platelets will form a plug or clot around the damage. Its repair the damage and stop the bleeding. The plug formation is known as a blood coagulation which is a series of a fibrin formation.
 |
| Blood clotting process |
Blood clotting mechanism in detail:
Red blood cells
a) Also known as erythrocytes
b) Mature cell have no nucleus
c) The shape is biconcave
d) It is functioning in oxygen transportation.
An oxygen combined to the hemoglobin contain in the red blood cells. Oxygen will be transported throughout the body.
 |
| Hemoglobin in red blood cell |
 |
| Oxygen transportation in the lung |
White blood cells
a) Also known as leukocytes
b) There are 5 types of leukocytes
c) It is functioning in body protection from any infection
 |
| Type of leukocytes |
 |
| Characteristic and function of leukocytes |
