The important structure of the urinary system is:
The kidneys, ureters, bladder, and urethra are the primary structures of the urinary system. they filter blood and remove waste from the body in the form of urine. The size and position of lower urinary structures vary with male and female anatomy.
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Answer:
D. im pretty sure, it just makes sense
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That is TRUE because when you get older your bones and muscles start to decrease so being physically active will make your bones and muscles stronger as they decrease.
