1. ..................helps the body to fight against a disease

2. Bone cells can last for

3. Heredity material  is

4. You blink your eyes about ...............time a day

5. ..................is only muscle in body that is attached only one end

6. Jaundice is the disease of

7. Blood  travel around the body ..................times

8. The  king cobera is only snake who build .

9. Bacillus causes

10. You hear beats about ...............time a day

11. Blood clotting factor is produced by

12. Lady bird is

13. There are ...............chembers of heart

14. Peacock is found in

15. .................is used to manufacture paper

16. Common cold is caused by

17. ...................are used to remove cancer in early stage

18. The number of chromosomes in human body is

19. Protein is a...............polymer

20. Robert Coach Worked on