Important facts to remember about Human Body

Important facts to remember about Human Body

1. Total Number of Bones :- Almost 206
2. Longest Bone :- Femur (Thigh Bone)
3. Smallest Bone :- Ear Ossicle,Stapes
4. Number of Cells in a body :- 75 trillion
5. Length of Alimentary Canal :- Almost 8 metres
6. Weight of Brain :- 1400 g
7. BMR (Basal Metabolic Rate) :- 1600 K.Cal/day
8. Blood Volume :- 6.8 litres (in 70 kg body)
9. Normal B.P. :- 120/80 mm Hg
10. Number of R.B.C. :- i) in Females :- 4.0-4.5 million/cubic mm ; ii) in Males :- 4.5-5.0 million/cubic mm
11. Life span of R.B.C :- 120 days
12. Normal W.B.C. count :- 5000-10000/cubic mm
13. Life span of W.B.C :- 3-4 days
14. D.L.C.(Differential Leucocyte Count) :- i) Basophils :- 0.5-1.0 % ; ii) Eosinophils :- 1-3 % ; iii) Monocytes :- 3-8% ; iv) Neutrophils :- 40-70% ; v) Lymphocytes :- 2-2.5 %
15. Blood Platelets Count :- 200000-400000/cubic mm
16. Hemoglobin :- i) in Female : 11-14 gm/100 c.c. of blood ; ii) in Male : 14-15.6 gm/100 c.c. of blood
17. Hb content in body :- 500-700 gm
18. Universal blood donor :- O Rh -ve
19. Universal blood recipient :- AB
20. Blood clotting time :- 2-5 minutes
21. Average Body Weight :- 70 kg
22. Normal Body Temperature :- 98.4°F or 37 °C
23. Breathing Rate :- 16-20/minutes
24. Dental Formula :- i) Adult : 2123/2123 = 32 ; ii) Child : 2120/2120 = 22 milk teeth
25. Number of Cranial Nerves :- 12 pairs
26. Number of Spinal Nerves :- 31 pairs
27. Largest Endocrine Gland :- Thyroid
28. Gestation Period :- 9 months (253-266 days)
29. Normal heart beat :- 72-75/minute
30. Largest Gland :- Liver
31. Largest Muscle in the body :- Gluteus Maximums (Buttock Muscle)
32. Largest Smooth Muscle :- Uterus of Pregnant woman
33. Smallest Muscle in the Body :- Stapedius
34. Largest Artery :- Abdominal Aorta
35. Largest Vein :- Inferior Vanacava
36. Largest W.B.C. :- Monocyte
37. Smallest W.B.C. :- Lymphocyte
38. Greatest regeneration power :- In Liver
39. Longest Nerve :- Sciatic
40. Longest Cell :- Neuron (Nerve Cell)
41. Menstrual Cycle :- 28 days
42. Menopause age :- 45-50 years
43. Minimum regeneration power :- In Brain Cells
44. Minimum distance for proper vision :- 25 cm
45. Type of Placenta :- Haemochorial (Chorioallantoic)
46. Pulse Rate :- 72/minute
47. Volume of Semen :- 2-4 ml/ejaculation
48. Normal Sperm Count :- 200-350 million/ejaculation
49. ESR(Normal Erythrocyte Sedimentation) :- 4.10 min./hour rate
50. Thinnest Skin :- Conjunctiva
51. pH of Gastric Juice :- 1.4
52. pH of Urine :- 6.0
53. pH of Blood :- 7.35-7.45
54. (To be Continued...)