Facts About Human Body
| Longest Bone | Femur (Thigh Bone) |
| Smallest Bone | Stapes |
| Largest Gland | Liver |
| Largest Endocrine Gland | Thyroid Gland |
| Longest Cell | Neuron |
| Largest Artery | Aorta |
| Largest Vein | Venacava (Interior) |
| Longest Nerve | Sciatic |
| Largest Muscles | Gluteus Maxeimus |
| Smallest Muscles | Stapedius |
| Maximum Power Of Regeneration | Liver |
| Total no. of Muscles | 639 |
| pH of Bile | 7.7 |
| pH of Saliva | 7.2 |
| Largest Organ | Skin |
| Busiest Organ | Heart |
| pH of Urine | 6.0 |
| pH of Stomach | 1.4 |
| pH of Blood | 7.4 |
| Total no.of Bone | 206 (Male) 208 (Female) |
| pH of Pancreatic Juice | 8.5 |
| Life Span of RBC | 120 Days |
| No. of RBC in Male | 5 to 5.5 mill/mm3 |
| No. of RBC in Female | 4.5 to 5 mill/mm3 |
| No. of WBC | 5,000 to 400000/mm3 |
| No. of Platelets | 200000 to 400000/mm3 |
| Smallest Endocrine Gland | Pituitary Gland |
| Volume of Blood | 5-6 litre |
| Normal Blood Pressure | 120/80 mmhg |
| % of Haemoglobin in Male | 14-16 g/100 cc |
| % of Haemoglobin in Female | 12-14 g/100 cc |
| Universal Donor Blood Group | O |
| Universal Acceptor Group | AB |
| Body Temperature | 98.4F |
| Weight of Brain | 1400gm |
| No. of Cranial Nerves | 12 pairs |
| No. of Spinal Nerves | 31 pairs |
| Rate of Heartbeats | 72/min |
| Strongest Muscles | Tongue |
Facts About Human Body