KERALA PSC / CDPO / BIOLOGY / FACTS ABOUT HUMAN BODY / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY

 

KERALA PSC / CDPO / BIOLOGY / FACTS ABOUT HUMAN BODY  / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY

KERALA PSC / CDPO / BIOLOGY / FACTS ABOUT HUMAN BODY  / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY

FACTS ABOUT HUMAN BODY

Largest and longest bone in a man

Femur (thigh bone)

Smallest muscle

Stapedius

Smallest bone

Stapes (middle-ear)

Total amount of blood in body

5.6 litres (1/15 of body weight)

Life span of RBC

120 days

Number of RBC’s

In male 5000,000/cu.mm/in female 45,00,000/cu.mm

Number of WBC’s

5000-10000/cu.mm

Life Span of WBC

2-5 days

Heart beats

72 per minute

Average amount of haemoglobin

14-15 mg/100ml of blood

Thinnest skin

Conjunctiva (eyelid)

Largest endocrine gland

Thyroid gland

Longest cell in body

Nerve cell

Smallest cell in human body

Sperm cell

Largest cell in human body

Ovum

KERALA PSC / CDPO / BIOLOGY / FACTS ABOUT HUMAN BODY  / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY