Important Facts About Human Body - మానవ శరీరం - నమ్మలేని నిజాలు

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

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

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