Important Facts About Human Body

Chemistry Physics Biology Maths:

🔰 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 cm

🔰 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.)
➖ 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 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):
➖ In male: 14-15 gm/100 c.c. of blood
➖ 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

🔸 Pulse rate:
➖ 72 per minute

🔸 Thinnest Skin:
➖ Eyelids

🔸 Weight of Heart:
➖ 200-300 gm

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