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pig+frog functions
| Question | Answer |
|---|---|
| gallbladder | stores bile |
| bile duct | empties bile into duodeum from the gallbladder |
| duodenum | connects stomach to intestine |
| pancreas | makes insulin |
| cecum | dead end part of large intestine |
| rectum | last stretch of large intestine before it exits the anus |
| mesentery | membrane that holds the coils of the small intestine |
| pyloric sphincter valve | opening valve between the duodenum and the stomach |
| diaphragm | separates the thoracic abdominal cavity, aids breathing |
| urinary bladder | lies between the two umbilical vessels, urine storage |
| glottis | opening to the trachea, prevents food from entering the lungs |
| hard palate and soft palates (pig) | separate the nasal and oral cavities |
| fat bodies | fingerlike fat tissue used for energy storage |
| stomach | food storage and digestion |
| liver | detoxifies blood, stores fats for energy and produces bile |
| spleen | produces white blood cells, filters and stores blood |
| small intestine | long tube-like structure for digestion and nutrient absorption |
| large intestine | water absorption, forms feces (excreted through cloaca) |
| kidneys | excrete waste from blood, produces urine |
| lungs | gas exchange for respiration |
| heart | both pigs and frogs have a closed circulatory system, blood flows through the vessels, isn't free in the body cavities |
| closed circulatory system (frogs) | oxygenated blood from the skin enters the right atrium, oxygenated blood from the lungs enters the left atrium, blood is then pumped from both atria to the ventricle, then from the ventricle to the lungs |
| what kind of heart do frogs have? | frogs have a 3 chamber heart |
| what kind of heart do pigs have? | pigs have a 4 chamber heart |