CBSE Class 10 Answered
RBC |
WBC |
Plasma |
RBCs are circular, disc-shaped and biconcave |
Irregular, colourless, larger than RBCs |
Plasma is the yellow liquid component of blood and constitutes 55% of the total blood volume. |
Colour is red |
Colour is white |
Colour is straw yellow |
The function of RBC is to carry oxygen from the lungs to the tissues and CO2 from the tissues to the lungs. |
They help in defence mechanism |
Plasma contains proteins that help blood to clot,transport substances through the blood |
Life span- 120 days |
Life span- Few months to years |
Life span- Few months to years |
Functions of blood are:
1. Blood carries oxygen from the lungs to the other cells of the body.
2. It transports waste for removal from the body.
3. Blood platelets prevent excessive blood loss from blood clotting.
4. Blood maintains the water balance in the tissues and organs of the body.
5. Blood regulates the body temperature by distributing the heat in different parts of the body.