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The body expels viruses by itself, using white blood cells.
Amoeba have a CONTRACTILE VACUOLE that expels water so that is won't burst.
In males, the urethra expels both urine and sperm. In females, the urethra expels only urine.
It dies
Vomits
It's when a man expels his semen
The Graffian Follicle in the ovary expels the secondary oocyte (mature ovum) into the peritoneum, where it is picked up by the fimbrae of the Fallopian tubes.
urinary bladder
It's when a man expels his semen
The respiratory system supplies the body with oxygen and expels carbon dioxide.
carrier protein
The process is called defecation.