Important Facts About Human Body
మానవ శరీరం – నమ్మలేని నిజాలు
Largest and Strongest Bone in the Body ::–> Femur (thigh bone)
Smallest Bone in the Body ::--> Stapes in Ear
Number of Cells in the Body ::–> 75 Trillion
Volume of Blood in the body ::–> 6 litres (in 70 kg Body)
Number of Red Blood Cells(R.B.C.) ::–>
1. In male: 5 to 6 million/cubic mm
2. In female: 4 to 5 million/cubic mm
1. In male: 5 to 6 million/cubic mm
2. In female: 4 to 5 million/cubic mm
Life span of Red Blood Cells(R.B.C.) ::–> 100 to 120 days
Life span of White Blood Cell(W.B.C.) ::–> 3-4 days
Normal White Blood Cell(W.B.C.) Count ::–> 5000-10000/cubic mm
Time Taken by R.B.C. to Complete One Cycle of Circulation ::–> 20 Seconds
Other name of Red Blood Cell (R.B.C.) ::–> Erythrocytes
Largest White Blood Cells ::–> Monocytes
Smallest White Blood Cells ::–> Lymphocyte
Who discovered Blood Group ::–> Karl Landsteiner
Blood Platelets Count ::–> 150,000 – 400,000 Platelets per Micro Litre
Haemoglobin (Hb) ::–>
1. In Male: 14-15 gm/100 c.c. of Blood
2. In female: 11-14 gm/100 c.c. of Blood
1. In Male: 14-15 gm/100 c.c. of Blood
2. In female: 11-14 gm/100 c.c. of Blood
Hb Content in Body ::–> 500-700 gm
pH of Urine ::–> 6.5-8
pH of Blood ::–> 7.36-7.41
Volume of Semen ::–> 2-5 ml/ejaculation
Normal Sperm Count ::–> 250-400 million/ejaculation
Menstrual Cycle ::–> 28 days
Menopause Age ::–> 45-50 Years
Blood Clotting Time ::–> 3-5 minutes
Weight of Brain ::–> 1300-1400 gm in human adult
Normal Blood Pressure (B.P.) ::--> 120/80 mm Hg
Universal Blood Donor ::–> O
Universal Blood Recipient ::–> AB
Average body weight ::–> 70 kg
Normal body temperature ::–> 37 degree celsius
Breathing Rate at Rest ::–> 12-16/minute
Number of Spinal Nerves ::--> 31 pairs
Largest Endocrine Gland ::–> Thyroid gland
Gestation period ::–> 40 weeks or 9 calendar months
Normal Heart Beat at rest ::–> 72 beats per minute
Largest Gland ::–> Liver
Largest Muscle in the body ::–> Gluteus Maximus or Buttock Muscle
Smallest Muscle in the body ::–> Stapedius
Largest Artery ::–> Aorta
Largest Vein ::–> Inferior Vena Cava
Largest and longest Nerve ::–> Sciatic Nerve
Longest Cell ::–> Neurons (nerve cells) Minimum distance for proper vision: 25 cm
Pulse rate ::–> 72 per minute
Thinnest Skin ::–> Eyelids
Weight of Heart ::–> 200-300 gm