Anatomy Facts


Here are some interesting facts about a horse's body.
  • Horse's hooves grow at a rate of about 1cm per month.
  • The forelock on a horse's head helps to keep flys out of the eyes.
  • Horse's legs are built so that they can sleep standing up, but to get a good rest they need to lying down.
  • Each leg has a small spot that looks like a scar called a 'chestnut'.
  • Horse's knee caps are not done fusing until they are about 3 1/2 years old. That's why many young racehorses are injured.
  • Mares come in to heat around age 1, but usually can't be safely bred until 4.
  • Stallions are mature and can breed around 2 or 3 years of age.
  • A horse's heart weighs about 10 pounds.
  • A horse's back cannot bend, it remains stiff when the horse moves. That's why it's hard for horses to get up after rolling or resting.
  • The teeth take up more room in a horse's head than its brain does.
  • Horses can see color.
  • Horses can see in two directions at once.
  • Horses have two blind spots where they cannot see- directly in front of them, and directly behind them.
  • Human hair and fingernails are made from the same protein as horse hooves.
  • Horses have 36-42 teeth, with females usually having 36 and stallions and geldings having 40-42. "Canine teeth", remains of fighting teeth, are present on some horses, usually males, in either 1 or 2 pairs. "Wolf teeth" can be present in males or females, and sometimes have to be pulled because they cause pain.
  • Most breeds of horses have 18 ribs, 6 lumbar bones, and 18 tail vertebrae. Arabians have 17 ribs, 5 lumbar bones, and 16 tail vertebrae.
  • A full grown horse that weighs about 1,000 pounds contains approximately 13.2 gallons of blood.
  • Horses have about 175 bones in their body.
  • Horses make 8 basic sounds- snort, squeal, greeting nicker, courtship nicker, maternal nicker, neigh, roar, blow.
  • It is almost impossible for a horse to vomit-- if they do, their stomachs usually rupture soon after.
  • It takes a horse 60 days to double it's birth rate.
  • A horse focuses its eye by changing the angle of its head, not by changing the shape of the lens of the eye, as humans do.
  • While horses graze, they keep a look out for predators.
  • A racehorse averages a weight loss of between 15 and 25 pounds during a race.
  • Adult electric eels 5 feet to 7 feet long produce enough electricity 600 volts to stun a horse.
  • A horse weighing around 1000 lbs. voids from 1 1/2 to 8 1/2 quarts of urine daily.
  • A horse's gestation period is 11 months, but can be anywhere from 10-12 months long.



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