Important facts about human body in pdf.it include longest bone in Human body is Femur,Smallest bone is Stapes,Largest artery is Abdominal Aorta,Largest vein is Inferior vena cava. for competitive exam like SSC, Railway, PSC, LIC, WBCS, NTPC etc.
Largest, Longest, Strongest, Smallest Bone in Human Body
The longest bone in Human body is | Femur (Thigh bone) |
Smallest bone in human body is | Stapes (Ear ossicle) |
Length of spinal cord(Male) | 45 cm(18 inch) |
Length of spinal cord(Female) | 43 cm(17 inch) |
Number of bone present in man | 206 |
Number in bone present in new born baby | 305 |
Number of bone present in child | 270 |
Largest, Longest, Strongest, Smallest Muscle in Human Body
Numbers of muscle present in human body | 640 |
Largest muscle in human body | Gluten muscle |
Smallest muscle in human body | Strapped muscle |
Longest muscle of human body | Sartorious mucle |
Strongest(strength) | Masseter located in jaw |
Longest-heaviest-Busiest-Softest-Hardest organs in human body.
Longest organ in human body | Liver |
Heaviest organ in human body | Liver(1.3 k.g or 3.5 pounds) |
Weight of heart in human body | 300 gm |
Hardest part in human body | Enamel of (Teeth) |
Softest part in human body | Brain |
Busiest organ in human body | Barin |
Largest endocrine gland | Thyroid |
Largest Artery and vein in human body
Largest artery in human body | Abdominal Aorta |
Largest vein in human body | Inferior vena cava |
• Artery's are carry pure blood.
• Vein's are carry impure blood.
• Pulmonary Arteries carry impure blood from Heart.
• Pulmonary veins carry pure blood from the lungs to the heart.
Teeth: In an adult human 32 teeth are present.
Incisors: Incisors are sharp teeth used for cutting or shearing food. Number of incisor present in human is 8.
Canine: 4 canines are present in human.
Molar:12 molar teeth are present in human (including 4 wisdom teeth).
Pre molar: 8 pre molar teeth are present in human.
Normal Hemoglobin Ranges in Human Body
In Male | 14-15.6 gm/100 c.c. Of blood |
IN Female | 11.5-13.5 gm/100 c.c of blood |
New born | 17-22 gm/dL |
One week of age | 17-22 gm/dL |
One month of age | 14-18 gm/dL |
Normal Glucose Range in Human Body
When Fasting | 70-100 mg/dL |
2 Hours after Fasting | 80-140 mg/dL |
Normal Cholesterol Range inHuman body
LDL | 100 mg/dL and above 159 mg/dL is consider high. |
HDL | 40-60 mg/dL |
Total cholesterol should be below 200 mg/dL
Other Important Facts Of Human body
Length of alimentary canal | Approximately 8 meters |
BMR(Basal metabolic rate) | 1600 K.cal/day |
Number of cells in body | 75 trillion |
Weight of brain | 1400 gm |
Blood volume | 6.8 liters(in 70 kg body) |
Normal B.P | 120/80 mm Hg(120 systolic and 80 diastolic) |
Number of R.B.C | (a)In male 4.5-5.million/cubic mm (b)In female 4.0-4.5 million /cubic mm |
Life span of R.B.C | 120 days |
Normal W.B.C count | 5000-10000/cubic mm |
Life span of W.B.C | 3-4 |
D.L.C(Differential leukocyte count) | (a)Basophils-0.5-1% (b)Eosinophils-1-3% (c)Monocytes-3-8% (d)Neutrophils-40-70% (e)Lymphocytes-2-25% |
Largest W.B.C | Monocyte |
Smallest W.B.C | Lymphocyte |
Blood platelets count | 200000-400000/cubic mm |
Hb content in body | 500-700 gm |
Universal blood donor | O Rh-ve |
Universal blood recipient | AB |
Blood clotting time | 2-5 minutes |
Average body weight | 70 k.g |
Normal body temperature | 98.4 F or 37 C |
Breathing rate | 16-20/minutes |
Number of cranial nerves | 12 pairs |
Number of spinal nerves | 31 pairs |
Gestation period | 9 month(253-280 days) |
Menstrual cycle | 28 days |
Menopause age | 45-50 |
Normal heart beat | 72-75/minute |
Normal pulse rate | 72/minute |
Greatest regeneration power | Liver |
Minimum regeneration power | In brain cell |
Minimum distance for proper vision | 25 cm |
Type of placenta | Haemochorial |
Volume of semen | 2-4 ml/ejaculation |
Normal sperm count | 200-350 million/ejaculation |
ESR(normal Erythrocyte sedimentation rate) | 4.10 min/hour |
Thinnest ski | Conjunctive |
PH of blood | 7.4 |
PH of urine | 6.0 |
PH of gastric juice | 1.4 |
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