3 and 4 Marks Question

Draw the structure of blood and label its four components.
Diagram:
Blood cells contain in blood of normal man is shown in table. Study it and answer the following questions.

Blood Cells Number in 1 mm³

A 6000 - 11000

B 2,00,000 - 4,00,000

C 45,00,000 - 50,00,000
1. Name A, B and C.
2. A = White Blood Cell
  B = Platelets
  C = Red Blood Cell
3. Which disease may occur if A is present in more number of blood?
4. If A is present in more number of blood it cause leukemia or blood cancer.
5. Which disease may occur if C is present in less number in blood?
6. Anemia may occur if C is present in less number in blood.
7. If a man cuts his hand and blood doesn't clot, which one is present in less in blood among A, B and C?
8. If a man cuts his hand and blood doesn't clot, 'B' in less in blood.
Draw a well-labelled diagram of human heart. Write the name of blood vessel which supplies impure blood from right ventricle to the lungs.
Diagram:

The name of the blood vessel which supplies impure blood from the right ventricle to the lungs is the pulmonary artery.