IMPORTANT FACTS ABOUT HUMAN BODY

IMPORTANT FACTS ABOUT HUMAN BODY

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 Cells (W.B.C.)	3-4 days
Normal White Blood Cells (W.B.C.) count	5000-10000/cubic mm
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
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
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
Thinnest Skin	Eyelids
Weight of Heart	200-300 gm