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

 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