Functions of Salamander Organs
Terms
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- Cloaca
- Receives waste from the kidneys and fluids from the reproductive organs and transfers them out to the external environment
- Cloacal opening
- common chamber and outlet into which the intestinal, urinary, and genital tracts open.
- Gills
- in these structures, oxgen and CO2 are echanged between the fluid environment and the blood in the circulatory system
- esophagus
- Delivers food from the mouth to the stomach
- gall bladder
- stores and concentrates bile secreated by the liver and delivers it to the duodenum through the common bile duct
- heart
- responsible for pumping blood throughout the body
- kidney
- functions in the excretion of hydrophyllic substnaces such as ions, water, and other nitrogenous wastes
- large intestine
- digests bacteria, reabsorbs water, and forms feces, and narrows to form the cloaca
- liver
- -Metabolizes carbs and fats and produces bile -In the duodenum, bile functions in the emulsification, digestion, and absorption of fats -Disposes of old red and white blood cells by engulfing them in a process called phagocytosis -Detoxify poisons and toxins
- lung
- Adds oxygen and removes CO2
- mesentry
- the mesentry is a double membrane that attaches the slimentary canal to the body wall -Contains numerous blood vessels, lymph vessels, and nerves that supply the alimentary canal with its necessary components
- mesonephric duct
- carries urine from the kidney to the cloaca; in males, it also carries to the cloaca
- pancreas
- major gland in digestive system; secretes pancreatic juices
- pericardia; cavity
- the body cavity that contains the heart
- peritoneum
- a thin membrane that covers the walls and contents of the pleuroperitoneal cavity
- pleuroperitoneal cavity
- the body cavity that contains the alimentary canal, digestive system, and associated organs
- pyloric sphincter/pylorus
- regulates the passage of food from the stomach to the entrance of the small intestine
- small intestine
- site of nutrient absorption & digestion; first part is the duodenum
- spleen
- engulfs/digests foreign/dead cells (removes useful components such as iron before breaking down red blood cells)
- transverse septum
- separates the pericardial cavity and the pleuroperitoneal cavity
- urinary bladder
- waste in the form of urea and ammonia is stored in the urinary bladder until it is released into the external environment thru the opening of the cloaca
- ostium of the oviduct/ostium tubae
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- ovary
- sex glands in the female that produce eggs
- testis
- produces sperm and the hormone testosterone
- cloacal gland
- produces secretion that forms gelatinous envelopes around clumps of spermatozoa to form a spematophore
- oviduct
- transmission the ova from the ovary to the uterus and providing the necessary environment for fertilization and for initial development of the conceptus