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What is the difference between a directional and nondirectional research hypothesis?
Urethra
A tube that connects the urinary bladder to the urinary meatus for the removal of fluids from the body.
Meatus
A natural passage or opening in the body, such as the external opening of the urethra.
Medulla
The inner region of an organ or tissue, especially the medulla oblongata in the brain or the inner part of the kidney.
Edema
Swelling caused by excess fluid trapped in the body's tissues.
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