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