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Horse Anatomy

Horses are an incredible species that have been here for millions of years. Depending on which scientific account you research, horses have dated back to 2000 B.C. While horses were used for transport and even battle back in ancient times, they have now been mostly domesticated for show, competition, and companionship.


Organ Functions

  • Trachea-Passage providing air flow to and from the lungs.
  • Heart- Pumps blood throughout the body.
  • Lungs-Provides oxygen to the blood.
  • Stomach- Food is mixed with digestive properties, and moved on to further digestion.
  • Diaphragm- Separates the thoracic and abdominal cavities.
  • Intestines- Most digestion occurs in the intestines.
  • Cecum- Serves as a storage site for water and electrolytes.
  • Colon- Small and large colon work together to continue to digestion, and form fecal balls.
  • Bladder- Stores urine.

Interesting Horse Facts

      • Horses have the largest eyes of any land mammal.
      • A Horses teeth take up a larger amount of space in their head than their brain.
      • Horses cannot vomit due to the strong band of muscle around their esophagus. A horses stomach would burst before it could vomit.
      • Horses produce up to 10 gallons of saliva a day.
      • When a horse curls up it’s upper lip and bares its teeth, it’s directing scents toward the olfactory gland in the back of its nasal passage.
      • There are nearly 160 distinct horse breeds.
      • A horse can only breathe through its nose, not its mouth.
      • The gestation period for a mare is 11 months.
      • Horses have 7 common blood types.
      • The frog in a horse acts as a pump for pumping blood back into the leg.
      •  The hoof in a horse can take anywhere from 9 months to 12 months to regrow completely.
      • A horses range of vision is nearly 350 degrees with two small blind spots.

      If you enjoyed this article, take a look at Horse Gestation Period, and learn about the unique facts about equine gestation.


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