WS+Organ+Defs.

Bronchiole- smaller air passages in the lungs that begin at the bronchi and terminate at the alveoli Alevolar Sac
 * Pharynx**- the portion of the digestive tract between the mouth and the esophagus that serves as a passageway for food and also for air on the way down to the trachea.
 * Esophagus**- the muscular tube for moving swallowed food from the pharynx to the stomach
 * Stomach**- the muscular sac that mixes food with gasteric juices to form chyme,which enters the small intestine.
 * Small Intestine**- the long, tubelike chamber of the digestive track between the stomach and the large intestine
 * Large Intestine**- the last major portion of the digestive tract, extending from the small intestine to the anus and consisting of the cecum, the colon, the rectum, and the anal canal
 * Appendix**- in humans, small tubular appendage that extends outward from the cecum, of the large intestine.
 * Rectum**- terminal end of the digestive tube between the sigmoid colon and the anus.
 * Pancreas**- the internal organ that produces digestive enzymes and the hormones insulin and glucagon
 * Liver**- large, dark red internal organ that produce urea and bile, detoxifies the blood, stores glycogen,and produces the plasma proteins, among other functions.
 * Kidney**- organ in the urinary system that produces and excretes urine
 * Ureter**- one of the two tubes that take urine from the kidneys to the urinary bladder
 * Bladder**- a membranous sac in which urine collects before excretion
 * Larynx**- cartilaginous organ located between the pharynx and the trachea that contains the vocal cords.
 * Trachea**- passageway that conveys air from the larynx to the bronchi.
 * Bronchus**- one of the to major divisions of the trachea leading to the lungs
 * Pituitary Gland**- endocrine gland that lies just inferior to the hypothalamus; consists of the anterior pituitary and posterior pituitary.
 * Adrenal Gland**- an endocrine gland that lies atop of kidney; consisting of the inner adrenal medulla and the outer cortex
 * Thyroid Gland**- endocrine gland in the neck that produces several important hormones, including thyroxine, triiodothyronine, and calcitonin.