NH+Organ+Definitions


 * Briefly Define Role Of....**
 * Pharynx**- throat
 * Esophagus**-goes from mouth to stomach
 * Stomach**- food is stored here while getting churned and broken down into smaller pieces for digestion
 * Small Intestine**- where most chemical digestion and absorption takes place
 * Large Intestine**- Water is absorbed- leads to anus for excretion- mostly fiber left over
 * Appendix**-appendage that sticks out from the first part of the large intestine- has no real role- if it becomes inflamed, it has to be removed
 * Rectum**-stores and regulates elimination of feces
 * Pancreas**-produces pancreatic juice- digestive enzymes that are sent to the small intestine for chemical digestion. it also produces insulin that is secreted into blood after eating.
 * Liver-** processes and stores nutrients; produces bile for emulsification of fats
 * Kidney-** process blood and remove toxins and waste products- secrete urine
 * Ureter-** conduct urine from kidneys to bladder
 * Bladder-** stores urine
 * Urethra-** passes urine from bladder to outside
 * Larynx-** voice box
 * Trachea-** windpipe
 * Bronchus-** carries air from trachea to bronchioles
 * Bronchiole-** same structure as bronchi but thinner walls and smaller diameter
 * Alevolar Sac-** at the end of the bronchioles- surrounded by capillaries- where oxygen and carbon dioxide are transferred
 * Pituitary Gland-** Endocrine gland that lines just beneath the hypothalamus- important in the growth, function, and development of the other endocrine glands
 * Adrenal Gland-** located on top of the kidneys- contain the adrenal medulla and the adrenal cortex- these glands help in response to stress
 * Thyroid Gland-** located in neck- thyroid hormones increase metabolic rate