Fetal Pig Functions

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Salivary Glands Produce saliva containing amylase, chloride ions, water, and mucus
Epiglottis Prevents food from entering airway passages
Esophagus Transports bolus of food from oral cavity to stomach
Diaphragm Contraction draws air into lungs
Thymus T-cell maturation site
Thyroid Produces hormones that regulate metabolism and heat production
Trachea Transports air from larynx to bronchi
Larynx Voice box
Vocal cords Production of sound
Lungs Gas exchange
Liver Produces bile, detoxifying poisons, glycogen formation
Gallbladder Produces bile which breaks down fat
Stomach Receives food from esophagus and digestion
Duodenum Completes chemical digestion and begins nutrient absorption
Jejuno-ileum Nutrient absorption
Pancreas Secretes digestive enzymes into small intestine and insulin and glucagon into the blood stream.
Spleen Filters blood, removing red blood cells
Mesentary Membrane supporting the coils and blood vessels.
Large intestine Reabsorbs water and ions
Cecum Blind sac at the beginning of the large intestine; fermentation of cellulose
Rectum Water reabsorption and fecal storage until elimination.
Right atrium Receives blood from body and pumps to right ventricle.
Left atrium Receives oxygenated blood from lungs and pumps to left ventricle
Right ventricle Receives blood from right atrium and pumps to lungs to be oxygenated
Left ventricle Receives oxygenated blood from the left atrium and pumps to the body
Coronary artery and vein Supplies blood to heart tissue
Superior vena cava Carries oxygen-poor blood from the head, neck, pectoral appendages and cranial part of the chest to the right atrium
Inferior vena cava Carries oxygen poor blood from the caudal parts of the body to the right atrium.
Pulmonary trunk Transports deoxygenated blood from right ventricle to lungs
Pulmonary veins Transports oxygenated blood from the lungs to the left atria
Aorta Transports oxygenated blood from left ventricle to the body
Tricuspid valve Prevents backflow from the right ventricle into the right atria
Bicuspid valve Prevents back flow of oxygen rich blood from the left ventricle into the left atria
Aortic valve Prevents backflow of blood from the aorta to the left ventricle
Pulmonary semilunar valve Prevents backflow of blood from pulmonary trunk (artery) into the right ventricle
Umbilical vein and artery Circulates deoxygenated nutrient poor blood back to mother and brings oxygenated nutrient rich blood from the mother to the developing fetus
Erthrocytes Transport oxygen to body's tissues
Leukocytes Defend body by phagocytizing bacteria, producingantibodies for the immune system, and killing som parasites
Platelets Assist in blood clotting
Kidney Excrete urea, regulates water and solute concentration
Ureter Transports urine from kidney to the urinary bladder
Urethra Transports urine from bladder to urogenital opening
Adrenal gland Produces epinephrine (fight/flight hormone)
Ductus deferens Transports sperm from epididymus to the urethra.
Testis Produce sperm and hormones
Epididymus Stores sperm
Bulbourethral gland Secretes seminal fluid at ejaculation
Ovaries Produce eggs and hormones
Oviduct/Fallopian tubes Captures eggs from ovary and transports to uterus
Uterus Fetal development
Vagina Receives penis during copulation
Urogenital canal/Vaginal vestibule In pigs, not humans, common passageway of the vagina and urethra to the body surface
Penis Transport urine during urination and sperm during copulation