Important Facts About Human Body
🔸 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
🔸 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
🔸 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.)
➖ In male: 5 to 6 million/cubic mm
➖ In female: 4 to 5 million/cubic mm
🔸 Life span of Red Blood Cells(R.B.C.)
➖ 100 to 120 days
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