Biology- Important Facts-One Liners

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Biology- Important Facts-One Liners


 

1-Number of Cells in Body 75 trillion


2-Blood Volume 6.8 liters (in 70 kg body)


3-Normal W.B.C Count 5000 – 1000 / cubic mm


4-Number of R.B.C (a) In Male: 4.5 – 5.0 million / cubic mm.(b) In Female: 4.0 – 4.5 million / cubic mm


5- Normal B.P 120 / 80 mm Hg


6- The length of Alimentary Canal Approximately- 8 meters.


7-BMR (Basal Metabolic Rate) – 1600 K. Cal/day.


8-Weight of Brain: 1400 gms

 

Brain
Brain

 

 

 

 


9-Life Span of W.B.C : 3 – 4 days


10-Life Span of R.B.C: 120 days


11-Average Body Weight: 70 kg


12-Largest Endocrine Gland: Thyroid


13-Hb Content in Body 500 – 700 gm


14-Blood Platelets Count: 2,00,000 – 4,00,000 / cubic mm


15-Longest Bone Femur (Thigh bone).


16-Universal Blood Recipient: AB


17-Normal Body Temperature: 98.4° F or 37° C


18-Universal Blood Donor: O Rh -ve


19-Haemoglobin (a) In Male: 14 – 15.6 gm / 100 c.c. of blood

(b)In Female: 11 – 14 gm / 100 c.c. of blood


20-Blood Clotting Time: 2 – 5 minutes


21-Gestation Period 9 months (253 – 266 days)


22-Smallest W.B.C: Lymphocyte


23-Largest Muscle in the Body- Gluteus maximus (Buttock Muscle)


24-Longest Cell: Neuron (Nerve Cell)

 

 

Nerve Cell
Nerve Cell

 

 

 

 

 


25-Normal Heart Beat= 72 – 75 / minute


 

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