Friday, October 28, 2011
2.69 Urinary System
describe the structure of the urinary system including the kidneys, ureters, bladder and urethra.
each kidney has a tube that leads to the bladder called a ureter.
ureters carry urine to bladder.
bladder then sends urine through another tube called the urethra to be excreted from the body through the penis or vagina.
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