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