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Fetal Pig/Human sys.

Mr. Mathena's Semester 2 Anatomy Final

Paired nares (nostrils) take air into the sinuses for sensing and warming
tongue highly manipulative, muscular structure used to aid eating with an attachment deep in the throat
sensory papillae taste buds in these are responsible for the sensations associated with food ingestion: in humans, salt, sweet, sour, and bitter
hard palate makes up the anterior part of the roof of the mouth; made of bone and covered with folds of mucous membrane; separates oral cavity from nasal cavities
soft palate made by posterior continuation of mucous membrane; contains no bone
pharynx located at the base of the tongue; junction of the passageways for food (esophagus) and air (trachea)
epiglottis fold of skin that helps close trachea during swallowing
small intestine 250 cm or nearly 6 feet long; where digestion of food and absorption of nutrients occurs
kidneys lie below digestive organs, beneath peritoneum; responsible for extracting wastes and foreign substances from the blood stream; help with body fluid regulation and excretion of nitrogenous wastes like urea
gall bladder stores bile
liver secretes bile
diaphragm a muscular membrane that separates the peritoneal cavity from the abdominal cavity
pyloric sphincter round involuntary muscle that controls the movement of chyme from the stomach into the small intestine
renal blood vessels veins carry filtered blood from kidneys to posterior vena cava; arteries carry unfiltered blood from aorta to kidneys and found beneath veins
ureters hollow tubes that urine filtered from the blood by the kidneys passes through
rectum stores feces
umbilical arteries carry nutrients from the mother's placenta to the fetus
pancreas responsible for production of enzymes used to digest food; the enzymes enter the small intestine through two ducts in the duodenum
mesentery thin, transparent sheets of tissue that suspend and support the visceral organs
urinary bladder where urine is stored
urethra urine passes from the bladder to the outside through this
thymus quite large in young pig to help establishment and maturation of the immune system; late in life, it decreases in size and becomes fairly unimportant
ovaries contain all the developing eggs the female pig will ever have; produce estrogen and progesterone
oviducts (or fallopian tubes) receive the egg from the ovaries at ovulation; cilia in the lining propel eggs to the horns of the uterus
uterus fertilized eggs travel from oviducts into here for implantation; egg develops into a fetus here
penis long muscular organ; most sexually sensitive area in the male; becomes stiff or erect when stimulated
testicles packed with tightly coiled seminiferous tubules, where sperm production takes place; produce sex hormones like testosterone
epididymus whitish mass of tightly coiled tubes cupped against testicles; acts as a storage place for sperm before they enter the vas deferentia
vas deferentia tubes that carry sperm from the testes to the urethra
trachea made up of supportive cartilage that ensures the airway remains open; carries air directly into the lungs
esophagus tube that carries food from the mouth to the digestive tract
spleen part of the immune system; filters out and destroys dead blood cells
circulatory system responsible for the transportation of nutrients, gases, wastes, and hormones; also controls temperature, provides channels for the immune system to protect the body, and participates in the maintenance of body fluid homeostasis
coronary artery vessel that supplies blood to the heart muscle to keep it alive
right atrium deoxygenated blood returning from the extremities of the body flows into here
right ventricle blood is pumped from right atrium into here
respiratory system complex group of organs that removes carbon dioxide from the blood and replaces it with lungs
bronchi what trachea first splits into
bronchioles smaller and smaller tubes that the bronchi split into
alveoli microscopic, thin-walled sacs
Created by: sissiloo