anatomy of a horse
esophagus 
Canal of the anterior portion of the digestive tract; it carries food to the stomach.
lung 
Respiratory organ made up of an extensible tissue and forming a sac; air from the buccal cavity flows into it.
cecum 
Lateral canal located in the anterior portion of the intestine where especially a part of digestion and fermentation take place.
kidney 
Organ secreting urine; it eliminates toxic substances from the body.
rectum 
Terminal portion of the intestine, behind the colon allowing fecal matter to be ejected.
small intestine 
Long thin portion of the digestive tract behind the stomach in which most of the digestion and food absorption take place.
colon 
Intestinal part of the body between the small intestine and the rectum in which waste collects before being expelled in the form of excrement.
spleen 
Organ of the circulatory system where impurities in the blood are destroyed.
stomach 
Dilated section of the digestive tract preceding the intestine; it receives food to be digested.
liver 
Viscera that secretes bile, among other substances; bile helps digestion.
heart 
Muscular organ helping blood to circulate.
trachea 
Muscular cartilaginous canal carrying air from the nasal cavity to the lungs.