Important facts to remember about Human Body
- Total Number of Bones :- Almost 206
- Longest Bone :- Femur (Thigh Bone)
- Smallest Bone :- Ear Ossicle,Stapes
- Number of Cells in a body :- 75 trillion
- Length of Alimentary Canal :- Almost 8 metres
- Weight of Brain :- 1400 g
- BMR (Basal Metabolic Rate) :- 1600 K.Cal/day
- Blood Volume :- 6.8 litres (in 70 kg body)
- Normal B.P. :- 120/80 mm Hg
- 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
- Life span of R.B.C :- 120 days
- Normal W.B.C. count :- 5000-10000/cubic mm
- Life span of W.B.C :- 3-4 days
- 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 %
- Blood Platelets Count :- 200000-400000/cubic mm
- Hemoglobin :- i) in Female : 11-14 gm/100 c.c. of blood ; ii) in Male : 14-15.6 gm/100 c.c. of blood
- Hb content in body :- 500-700 gm
- Universal blood donor :- O Rh -ve
- Universal blood recipient :- AB
- Blood clotting time :- 2-5 minutes
- Average Body Weight :- 70 kg
- Normal Body Temperature :- 98.4°F or 37 °C
- Breathing Rate :- 16-20/minutes
- Dental Formula :- i) Adult : 2123/2123 = 32 ; ii) Child : 2120/2120 = 22 milk teeth
- Number of Cranial Nerves :- 12 pairs
- Number of Spinal Nerves :- 31 pairs
- Largest Endocrine Gland :- Thyroid
- Gestation Period :- 9 months (253-266 days)
- Normal heart beat :- 72-75/minute
- Largest Gland :- Liver
- Largest Muscle in the body :- Gluteus Maximums (Buttock Muscle)
- Largest Smooth Muscle :- Uterus of Pregnant woman
- Smallest Muscle in the Body :- Stapedius
- Largest Artery :- Abdominal Aorta
- Largest Vein :- Inferior Vanacava
- Largest W.B.C. :- Monocyte
- Smallest W.B.C. :- Lymphocyte
- Greatest regeneration power :- In Liver
- Longest Nerve :- Sciatic
- Longest Cell :- Neuron (Nerve Cell)
- Menstrual Cycle :- 28 days
- Menopause age :- 45-50 years
- Minimum regeneration power :- In Brain Cells
- Minimum distance for proper vision :- 25 cm
- Type of Placenta :- Haemochorial (Chorioallantoic)
- Pulse Rate :- 72/minute
- Volume of Semen :- 2-4 ml/ejaculation
- Normal Sperm Count :- 200-350 million/ejaculation
- ESR(Normal Erythrocyte Sedimentation) :- 4.10 min./hour rate
- Thinnest Skin :- Conjunctiva
- pH of Gastric Juice :- 1.4
- pH of Urine :- 6.0
- pH of Blood :- 7.35-7.45
- (To be Continued...)
