Submitted by: Submitted by vyang7
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Category: Science and Technology
Date Submitted: 06/02/2013 04:55 PM
Name: ______KEY_________
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Excretory System Review Worksheet
Part A: Define the following terms in your own word. Be clear and concise!
|excretion |process by which body rids itself of metabolic wastes |
|ammonia |toxic waste product of protein/nitrogen compound metabolism |
|urea |compound that body converts NH3 to when producing nitrogenous wastes |
|uric acid |another nitrogenous waste product excreted by the kidneys |
|creatinine |a nitrogenous waste from breakdown of creatinine phosphate in muscle cells |
|kidneys |principle organs of excretion, filter blood, control blood volume, adjust blood pH |
|ureters |tubes that carry urine from kidney to bladder via peristalsis |
|urinary bladder |muscular sac that stores urine, empties via urethra |
|urethra |carries urine from bladder to outside of body, passes through penis in males |
|cortex |outer region of organ such as kidney. In kidney, contains glomeruli, capsule, tubules |
|medulla |inner region of kidney. Striated due to presence of many collecting ducts. Salty. |
|pelvis...