Some Important Facts of Human Body
We are compiling some important facts of human body for the aspirants preparing for railway and other competitive exams.
- Longest Bone – Femur (thigh bone)
- Smallest Bone – Ear ossicle, stapes
- Blood Volume – 6.8 litres (in 70 Kg Body)
- Life Span of RBC – 120 days
- Life Span of WBC – 3 to 4 days
- Universal Blood Donor – O Rh negative
- Universal Blood Recipient – AB Rh positive
- Normal Human body temperature – 98.4 degree Fahrenheit or 37 degree celsius
- Largest gland – Liver
- Largest muscle in the body – Gluteus maximus
- Longest cell – Neuron (nerve cell)
- ph of Urine – 6.0
- Minimum distance for proper vision – 25 cm
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