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Biology Lab Gordon
Rat Dissection
10
Biology
Undergraduate 3
05/03/2011

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Term
cardiac sphincter
Definition
valve of circular muscle that prevents stomach contents from backing into esophagus
Term
pyloric sphincter
Definition
muscular valve that controls release of stomach contents
Term
large intestine (or colon)
Definition
reabsorbs water and stores undigested fecal material
Term
liver
Definition
active in nutrient processing and detoxification. important organ for carbs, lipids, amino acids, and metabolism, and produces nitrogenous wastes. also stores glycogen and produces bile which is store in the gall bladder
Term
bile salts
Definition
digests fats
Term
pancreas
Definition
produces enzymes that break down proteins, lipids, carbs, and nucleic acids. also produces two hormones that control blood sugar (glucose) levels.
Term
insulin
Definition
causes liver to lower blood sugar levels by removing glucose from blood and storying it as glycogen (animal starch)
Term
kidneys
Definition
control water and ion concentration and remove nitrogenous wastes from the blood
Term
lymphoid organs
Definition
involved in immune defense and contain white blood cells
Term
spleen
Definition
contains white blood cells and stores red blood cells for recycling and stores platelets
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