NEET BIOLOGY MIND MAPS
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🔸 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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