Advertisements
Advertisements
Question
What are the components of blood?
Advertisements
Solution 1
- The main components of blood are -
- plasma
- blood cells (Red blood corpuscles):
- Plasma is the fluid part of blood in which the blood cells are suspended. The plasma contains water, minerals, nutrients, proteins, etc.
- Blood cells are of three types -
- RBCs (Red blood cells),
- WBCs (White blood cells)
- blood platelets.
Solution 2
There are four components of blood:
- Plasma is a liquid part of blood which is yellowish in colour and contains 90% water. It contains food, enzymes, wastes proteins etc.
- Red blood cells are disc-shaped cells containing red-coloured pigment called haemoglobin in it. Haemoglobin helps in the transportation of oxygen.
- White blood cells are the fighting cells which protect us against bacteria and foreign materials causing infections.
- Platelets help in clotting of the blood.
APPEARS IN
RELATED QUESTIONS
What makes the blood look red?
Why are leucocytes classified as granulocytes and agranulocytes? Name each cell and mention its functions.
Direction: In each of the following questions a statement of assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Mark the correct statement as.
Assertion: RBC plays an important role in the transport of respiratory gases.
Reason: RBC does not have cell organelles and a nucleus.
The blood leaving the tissues becomes richer in
Name the organ which is located in the chest cavity with its lower tip slightly tilted towards the left.
Name the only artery that carries carbon dioxide-rich blood.
While learning to ride a bicycle Boojho lost his balance and fell. He got bruises on his knees and it started bleeding. However, the bleeding stopped after some time.
- Why did the bleeding stop?
- What would be the colour of the wounded area and why?
- Which type of blood cells are responsible for clotting of blood?
Least abundant leucocyte is ______.
Find out about blood groups and their importance.
Define the following term:
Blood
