Nature

Nature

วันอังคารที่ 1 พฤศจิกายน พ.ศ. 2554

2.69


·         The urinary system includes the kidneys, bladder, urethras and ureters.
·         Each component has its own individual blood supply
·         The ureters links the two kidneys to the bladder and transfers the urine
·         The bladder is then linked to a structure called the urethra which carries the waste out of the body.

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