Important facts about Human body

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1.     
Largest and strongest Bone in the body: 

-Femur (thigh bone)

2.     
Smallest Bone in the body:          

-Stapes in ear


3.     
Number of Cells in the body:      

-75 trillion

4.     
Volume of Blood in the body:     

-6 litres (in 70
kg body)

5.     
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

6.     
Life span of Red Blood Cells(R.B.C.):   

-100 to 120 days

7.     
Life span of White Blood Cell(W.B.C.): 

-3-4 days      

8.     
Normal White Blood Cell(W.B.C.) count:

-5000-10000/cubic
mm

9.     
Time taken by R.B.C. to complete one cycle of
circulation:

-20 seconds

10. 
Other name of Red Blood Cell (R.B.C.):

-Erythrocytes

11. 
Largest White Blood Cells:

-Monocytes

12. 
Smallest White Blood Cells:

-Lymphocyte

13. 
Who discovered Blood Group:    

-Karl
Landsteiner

14. 
Blood Platelets count:      

-150,000 – 400,000
platelets per micro litre

15. 
Haemoglobin (Hb):          

1. In male:
14-15 gm/100 c.c. of blood

2. In female:
11-14 gm/100 c.c. of blood

16. 
Hb content in body:         

-500-700 gm

17. 
pH of Urine:         

-6.5-8

18. 
pH of Blood:        

-7.36-7.41

19. 
Volume of Semen:           

-2-5
ml/ejaculation

20. 
Normal
Sperm Count:

-250-400 million/ejaculation

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42 Comments

  1. the quantity of blood in human's body is 7% of the total weight OR there is av average of 5-6 lit of blood in human body..

  2. Bro ssc ldc descriptive me GA and reasoning section kaise aiga ?? plz help??? mine is on 10TH may…

  3. sorry bro.. maine LDC ka form fill nhi kiya tha.. so mujhe iske bare me koi knowledge nhi hai.. Sandeep sir and Vertika mam SA k mod hai.. unse puncho wo tumhari help karenge

  4. No
    self study is best way to get sucesss
    I am already bank clerk
    Preparing now for SSC because of work load

  5. Gk ke liye ncert book from 8 to 10 is sufficient specially science and social science

  6. Vitamins and Chemical Names
    Vitamin A =>> Retinol
    Vitamin B1 =>> Thiamine
    Vitamin B3 =>> Niacin
    Vitamin B5 =>> Pantothenic acid
    Vitamin C =>> Ascorbic acid
    Vitamin D =>> Calciferol
    Vitamin E =>> Tocoferol
    Vitamin K =>> Phylloquinone
    Vitamin B2 =>> Riboflavin
    Vitamin B7 =>> Biotin
    * Vitamin B9 =>> Folic acid
    * Vitamin B12 =>> Cyanocobalamin

  7. Nice picks & very useful for Biology section. The 4rth one was asked in Bihar SSC Gradute Level Exam!!

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