Facts of human body

Facts of human anatomy

• Sperm is the smallest cell of the human body.
• Liver is largest gland of body.

• Eyeball is the only part of body that remains in same size from birth to death
• Rate of movement of human nerve impulse is about 300km/hr
• Speed of person's sneezing is 160km/hr
• Human body has only 4% of blood with 42.45 % of blood cells and 55.58% of plasma.
• In his lifetime of man drinks about 50,000 liters of water.
• Human body contains 79 % of water .It would be prove fatal if water decreased even less than 10 %.
• Human heart weighs about 340 gms.
• Human hairs continues to grow up to 16 inches in a year if uncut.
• Full developed brain of human weighs about 1424 gms.
• Human skull is made up of 22 bones among them 8 bones protect the brain.
• When a word is spoken 72 musles in the human mouth are moved.
• We can not sneez without keeping eyes open.
• Human blinks in hour about 500 times.
• We can not smell two different aromas at a time.