Interesting Facts related to Human Body (मानव शरीर से जुड़े रोचक तथ्य)

By Avinash Kumar|Updated : January 23rd, 2022

Here are some very Important Facts related to the Human Body that will be very helpful to improve your score in the GA section of State PCS Exams. The human body is an incredibly complex and intricate system and it still confuses researchers regularly despite thousands of years of medical knowledge. As a result, it shouldn't be a surprise that even body parts we deal with every day have unexpected facts and explanations behind them. So, below is a list of Some Important Facts related to the Human Body that you should remember for State PCS Exams.

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Some Important Facts related to 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: 37 trillion
Volume of Blood in the body: 5-6 litres
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.): 5-20 days
Normal White Blood Cell (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 microlitre
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
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.