1. Increased RBC's in the blood leads to a condition called…………..
2. The three-carbon molecule produced during the process of respiration is called.
3. A person with blood group ___ is called a universal donor.
4. Normal range of breathing rate per minute in an average adult person at rest is………
5. Muscles get tired when there is shortfall of……….
6. Within what pH range does the human body work?
7. The normal pH of human blood is _______ (approximate)
8. During heavy exercise, we get cramps in the legs due to the accumulation of …….. .
9. What is the average life of Red Blood Cells in human body?
10. Which of the following statements about blood pressure is correct?
11. Why does one feel tired at high mountain peaks?
12. A universal donor has the blood group----
13. Red Blood Cells have an average life span of 120 days after which they are destroyed in the–
14. Why is the colour of human blood red?
15. .......... are the most abundant cells (60–65 per cent) of the total White Blood Cells.
16. Which type of White Blood Cells secrete histamine, serotonin, heparin, etc., and are involved in inflammatory reactions?
17. Which chamber of human heart receives abundant oxygenated blood from lungs?
18. How many molecules of ATP are obtained by the respiration of one molecule of glucose?
19. Haematopoiesis take place in ------
20. Both, haemoglobin and myoglobin require ____ for formation.
21. A large, muscular sheet called_______forms the floor of the chest cavity.
22. On an average, how many million Red Blood Cells are present in a healthy human adult man per mm³ of blood?
23. ....are the most abundant of all the cells in blood:
24. Which of the following is true?
25. Which of the following parts of the human body extracts the carbon dioxide, brought by the blood, from the rest part of the body?
26. Which of the following elements is found in haemoglobin?
27. Which of the following statements is NOT correct regarding the 'Bombay blood group'?
28. Which of the following white blood cells is a type of agranulocytes?
29. ______ are the most abundant cells in blood.
30. The blood clot formed is due to the presence of which of the following?
31. An erythrocyte lives for approximately ______.
32. A condition characterised by abnormal increase in the number of red cells in the circulatory blood is called:
33. Blood is red in colour due to the presence of –
34. In which part of the body is blood produced?
35. Lungs have a large number of alveoli for.......
36. The growing 'voice box' in boys appears as a prominent bulge on the front of the throat, which is called_____.
37. Which part of the human respiratory system provides space for the exchange of gases?
39. During exhalation, the ribs………..
40. Individuals with_______blood group are called universal donors-
41. During inhalation, the ribs………
42. Which of the following carries blood away from the heart to different body parts?
43. What is the main purpose of white blood corpuscles?
44. Which component of blood fights against germs that enter the human body?
45. ______ in our body is a cartilaginous box which helps in sound production:
46. Blue swollen veins, which arise from valves that do not close properly, are called–
47. What is the liquid component of blood?
48. Lungs are the primary organs of……….
49. During heavy exercise, breathing rate in an average adult person can increase upto…………per minute.
